Summarize the main minerals that are present in felsic, intermediate, mafic, and ultramafic rocks

Answers

Answer 1

Felsic rocks are composed mainly of feldspar and quartz, with smaller amounts of mica and other minerals. Intermediate rocks contain minerals such as plagioclase feldspar, hornblende, and pyroxene.

Mafic rocks consist mainly of pyroxene, olivine, and calcium-rich plagioclase feldspar. Ultramafic rocks contain even more olivine and pyroxene, with lesser amounts of calcium-rich plagioclase feldspar.Felsic rocks are high in silica and aluminum, and typically contain minerals such as quartz, feldspar (orthoclase and plagioclase), and muscovite. Intermediate rocks are intermediate in silica content and often contain minerals such as amphibole and biotite. Mafic rocks are low in silica and high in iron and magnesium, and commonly contain minerals such as pyroxene and olivine. Ultramafic rocks are even lower in silica and higher in iron and magnesium than mafic rocks, and often contain minerals such as pyroxene and olivine as well as chromite and garnet.

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Related Questions

Confucianism developed in China during the Han Dynasty (206 BCE - 220 CE).
What is Confucianism?

a. it is confusing system of government
b it is a form of religion that focuses on human moral development
c it is the basis of the education system throughout asia
d it is a complex military arrangement ​

Answers

Answer:

B.It is a form of relegion that focused on human moral development.

Explanation:

Confucianism is often characterized as a system of social and ethical philosophy rather than a religion. In fact, Confucianism built on an ancient religious foundation to establish the social values, institutions, and transcendent ideals of traditional Chinese society.

what are rossby waves? what are rossby waves? major undulations in earth's orbital parameters minor undulations in the path of a jet stream major undulations in the path of a jet stream minor undulations in the earth's orbital parameters

Answers

The correct answer is option D: minor undulations in the earth's orbital parameters.

Rossby waves are minor undulations in the earth's orbital parameters.

Rossby waves are giant undulating horizontal tidal movements of ocean waves that are produced as a result of the earth's rotation on its own axis.

These are also called planetary waves and occur naturally in rotating fluids.

American meteorologist, Carl-Gustaf Arvid Rossby first discovered them hence called the Rossby wave.

Moreover, when observed from the atmosphere it was seen that these waves extend horizontally in a westward direction and can travel up to 100s kilometers.

These waves are so massive and giant that they are capable of changing the climate of earth on a large scale.

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Which of the following scenarios best illustrates the phenomenon of oceans
acting as highways rather than barriers?
A. People on remote islands being culturally isolated
B. The national languages of Canada being English and French
c. American Indians using local materials to build houses
D. The popularity of fishing in parts of the Great Lakes

Answers

Answer:

That would be B. The national languages of Canada being English and French

hope this helps

venus rotates in the opposite direction as earth, and therefore has a magnetic field of opposite polarity to earth's.

Answers

Yes, Venus spins backward compared to most of the other planets. It turns or rotates in the opposite direction that Earth rotates.

This means that on Venus the Sun rises in the west and sets in the east. On Earth the Sun rises in the east and sets in the west. Venus also spins very slowly - only once every 243 Earth days.

One of the reasons Venus seems so brilliant in the sky is that it is shrouded in a thick layer of clouds. Since Copernicus, humans have better understood Venus' orbital period, which is currently estimated to be 224.65 days or a Venusian year.

Ancient astronomers had a decent notion of Venus' orbital duration. The usual approach of seeing a visible surface feature spin 360 degrees is not possible due to the clouds, hence it has been challenging to determine the duration of the Venusian day. In 1963, radar measurements from the Earth could see through the clouds and determine that the rotation rate was 243 days.

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1w454wteytrgsdgrtxfgfdvbhg

Answers

Your answer should be 0.00.0.0.0.
Badge suis suis when susnwnlqplanebhehebeuenbdudjrnrjduxhdbvdvd

to what extent is climate change the result of human actions use figure 4 and your own understanding [9 marks +3SPaG]

Answers

Answer:

During a recent congressional hearing, Rick Perry, the US energy secretary, remarked that “to stand up and say that 100% of global warming is because of human activity, I think on its face, is just indefensible”.

However, the science on the human contribution to modern warming is quite clear. Humans emissions and activities have caused around 100% of the warming observed since 1950, according to the Intergovernmental Panel on Climate Change’s (IPCC) fifth assessment report.

Here Carbon Brief examines how each of the major factors affecting the Earth’s climate would influence temperatures in isolation – and how their combined effects almost perfectly predict long-term changes in the global temperature.

Carbon Brief’s analysis finds that:

Since 1850, almost all the long-term warming can be explained by greenhouse gas emissions and other human activities.

If greenhouse gas emissions alone were warming the planet, we would expect to see about a third more warming than has actually occurred. They are offset by cooling from human-produced atmospheric aerosols.

Aerosols are projected to decline significantly by 2100, bringing total warming from all factors closer to warming from greenhouse gases alone.

Natural variability in the Earth’s climate is unlikely to play a major role in long-term warming.

US Energy Secretary Rick Perry stated at a recent congressional hearing that it is "simply absurd" to "stand up and argue that 100% of global warming is because of human activity."

What is global warming?

The phenomenon of rising average air temperatures close to the surface of the Earth over the previous one to two centuries is known as global warming.

Since the middle of the 20th century, climate scientists have accumulated extensive data on a variety of weather events and their impacts on the climate.

These findings show that Earth's climate has changed on almost every possible timescale since the beginning of geologic time and that human activities have increasingly affected the pace and scope of current climate change since the beginning of the Industrial Revolution.

Many climate scientists concur that if the global average temperature increased by more than 2 °C (3.6 °F) in such a short period of time, serious societal, economic, and ecological harm would result.

The so-called greenhouse effect, which causes the Earth's surface and lower atmosphere to warm due to the presence of water vapor, carbon dioxide, methane, nitrous oxides, and other greenhouse gases, has grown in intensity, which is the cause of modern global warming.

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Desert pavement refers to Group of answer choices surfaces of concentrated pebbles and gravels. surfaces that evidently were not affected by the 1991 Persian Gulf War. specially constructed roadbeds in dry and hot regions. sand-covered surfaces.

Answers

The Gulf warfare changed into concentrated pebbles and gravels. the result of the aggression of Iraqi leader Saddam Hussein,attempted to take over Kuwait in August 1990.

The Persian Gulf region produces almost one 1/3 of the arena's oil and holds over half of the world's crude oil reserves in addition to a giant portion of the world's herbal gasoline reserves.

Cemented gravel and pebbles shape a sedimentary rock called conglomerate. synthetic cemented rocks (sand and gravel) are known Cemented sand forms sandstone and dust-sized make and siltstone. The form of cement also helps classify sedimentary rock analyze extra approximately Persian Gulf.

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To pinpoint the absolute location of a place, geographers use Unit One quiz

Answers

Answer:

Latitude and longitude

Explanation:

Answer:

longtitude and latitude

Explanation:

20 POINTS




Which of the following best describes the cold war?

convert hostility between western democratic nations and eastern communist nations

barriers built by communist governments in eastern Europe as a buffer against the west

a political association of European countries seeking peace and political stability

a wall in berlin separating the eastern and western parts of the city

Answers

A political association of European countries seeking peace and political stability

What are the features of Himalaya...5-7points​

Answers

Chemical reaction, a process in which one or more substances, the reactants, are converted to one or more different substances, the products. ... A chemical reaction rearranges the constituent atoms of the reactants to create different substances as products

lol

relative location of bismarck, dakota

Answers

Bismarck, Dakota is located in the central region of the United States, specifically in the state of North Dakota. It is situated along the eastern bank of the Missouri River.

1. Start by identifying the state: Bismarck is located in Dakota, which refers to North Dakota.

2. Locate Bismarck within North Dakota: Bismarck is situated in the central part of the state.

3. Determine its position along the Missouri River: Bismarck is found along the eastern bank of the Missouri River.

4. Note the geographical significance: Being situated near the Missouri River provides Bismarck with access to water transportation and recreational activities.

5. Understand the regional context: Bismarck is the capital city of North Dakota and serves as an important economic and cultural hub for the region.

6. Recognize neighboring areas: The city is surrounded by the Great Plains and is in proximity to other notable cities such as Fargo and Grand Forks.

7. Consider transportation connections: Bismarck is accessible through major highways, including Interstate 94, which connects it to other cities in North Dakota and neighboring states.

8. Acknowledge the natural surroundings: The area around Bismarck features a diverse landscape, including rolling hills, prairies, and the nearby Badlands National Park.

9. Take note of local attractions: Bismarck is home to various landmarks, including the North Dakota State Capitol, the Dakota Zoo, and Fort Abraham Lincoln State Park.

10. Summarize the relative location: In conclusion, Bismarck, Dakota is positioned centrally in North Dakota along the eastern bank of the Missouri River, surrounded by the Great Plains and offering access to both natural beauty and urban amenities.

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which country did not live up to its pre-war promise of alliance

Answers

Answer:

Germany, Belgium, Russia

if air descending a mountain during a chinook event is warmer than it was at the same elevation on the upslope side of the mountain, then:

Answers

If air descending a mountain during a chinook event is warmer than it was at the same elevation on the upslope side of the mountain, then it undergoes adiabatic compression.

The air underwent adiabatic compression as it descended down the landward side of the mountain because it was at the same elevation on the upslope side of the mountain. Higher pressure encountered as the air descends results in it getting warmer and drier. The Foehn effect or adiabatic warming is the name of this warming phenomenon.

In the western United States and Canada, a particular type of wind called the Chinook winds can be found. A Chinook event is when warm, dry air from the Rocky Mountains descends on the eastern slopes, rapidly raising the temperature and lowering the humidity. This warming can hasten the melting of snow and occasionally increase the risk of wildfires.

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Examine how tourism in mountainous areas can both have positive and negative impacts (2 examples each or more)

Answers

Answer:

Please see below :)

Explanation:

Positive of Tourism in mountainous areas: It allows for locals to star earning money/starting a business. They can provide food and lodging for tourists who come to visit.

Positive of Tourism in mountainous areas: The people who visit can be educated on how to preserve natural beauty spots (like in the mountains). It allows greater understanding to be spread on why we need to protect areas of natural beauty.

Negative of Tourism in mountainous areas: People who live nearby might become frustrated at the amount of noise/air pollution being caused by Tourists. It could also create a loss of cultural identity among the mountain people.

Negative of Tourism in mountainous areas: Tourists can cause air pollution (from vehicles) and damage the surrounding environment (littering etc). This means that there is a big environmental impact and habitats might be severely impacted.

Negative of Tourism in mountainous areas: Tourism might cause erosion. This erosion is damaging for any wildlife, but also could consequently cause less Tourists to visit.

Hope that helps!

assume that along the coast of california, wind blows from north to south (ie, northerly wind). what is the net cardinal (e.g. north, south, east, west) direction that water near the coast is pushed as a result of ekman transport?

Answers

The coast of california, wind blows from north to south that is  northerly wind. North direction is the net cardinal direction that water near the coast is pushed as a result of ekman transport.

The coast of California occured the  wind blows from north to south by water moves offshore during the summer seasons that was  resulted in upwelling along the coast. This upwelling produces cold coastal waters in the San Francisco area, contributing to the frequent summer fogs.

When a northern wind blows from the north  along with the coast of California as it was oriented like much of the west coast of the U.S. winds that was blow from the north tend to drive ocean surface  to the right of the wind direction. The surface waters are pushed a offshore, water is drawn from below to replace them.

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Jameson lives in a city on the shores of the Atlantic Ocean. The temperature fluctuations are relatively small in his city because(blank)takes longer to heat up and cool down due to its high(blank) . First blank choices are: water, land, air Second blank choices are :volume, density, specific heat

Answers

Hey there! I'm happy to help!

We are looking for something that takes a long time to heat up due to a certain property, therefore affecting the weather.

FIRST BLANK CHOICE

The temperature of the land is a result, of the weather, not a cause, so this is not the correct option.

The temperature of the water does not really affect the weather. If the water in your city is cold instead of hot that will not cause the weather to be much different.

However, air is what mainly causes the weather. Air pressure fluctuations can cause certain storms and air is the driving factor of weather. Therefore, the first answer is air.

SECOND BLANK CHOICE

One of the options is specific heat. The actual fill in the blank is that is is harder for the air to heat up because of _______. Putting heat in there makes no sense. It's harder for the air to heat up because of specific heat? This is not the right choice.

The volume of the air is how much space it takes up, and air is basically everywhere, so this is not the correct choice.

The last option is density, or how thick the air is, usually due to how much water there is. This makes sense because if it is very thick you have to have more heat to get through all of the density. It would take longer to warm up a car filled with 20 people than with one person. Therefore, the second option is density.

Have a wonderful day! :D

Answer:

I believe it could be (water & specific heat) let me know if this is correct pls:)

which layer of the earth do humans actually live on?

Answers

Answer:

The Crust

Explanation:

There are four layers to the Earth (Think of a pizza), We start with the crust, this is followed by the mantle, next the outer core layer, then the inner core layer.

What aspect of Mount Kilimanjaro makes it such an iconic image?
A. It rises higher above sea level than any other mountain on Earth.
B. It has the steepest slope of any mountain on the planet.
OC. It is part of a huge mountain range.
OD. It rises higher from its base than any other mountain on Earth.

Answers

Answer:

The aspect of Mount Kilimanjaro that makes it such an iconic image is D. It rises higher from its base than any other mountain on Earth. Mount Kilimanjaro is located in Tanzania and is Africa’s tallest mountain at about 5,895 meters (19,340 feet).

Explanation:

what are the layers of hydrosphere?

Answers

Answer:

The five layers of the Hydrosphere are....

Explanation:

The Epipelagic Zone (sunlight zone)The Mesopelagic Zone (twilight zone)The Bathypelagic Zone (midnight zone)The Abyssopelagic Zone (the abyss)The Hadalpelagic Zone (the trenches)
what are the layers of hydrosphere?

Tactile information in your right leg is processed on the left side of your brain. this is because most sensory information from one side of the body tends to cross over to which hemisphere?

Answers

''Tactile information in your right leg is processed on the left side of your brain. This is because most sensory information from one side of the body tends to cross over to opposite hemisphere''.

Each hemisphere shows signs of lateralization, or the specialization of function, primarily in relation to variations in language functions. The right hemisphere governs the left half of the body, while the left hemisphere is under the direction of the left hemisphere.

The corpus callosum, which has roughly 200 million axons and is a thick band of nerve fibers, connects the two hemispheres. The corpus callosum enables communication between the two hemispheres and permits the sharing of information being processed on one side of the brain with the other.

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because of divergence of air associated with an anticyclone, what type of weather is generally associated with this pressure system?

Answers

Anticyclones are high-pressure systems that are associated with the divergence of air. As air moves away from the center of an anticyclone, it sinks and warms up, which leads to clear skies and dry weather conditions. Therefore, anticyclones are generally associated with fair weather, with sunny skies, calm winds, and lower humidity levels.

An anticyclone is a high-pressure system in which the air descends and diverges from the center of the system. As a result, anticyclones are generally associated with stable and fair weather conditions. Here are some characteristics commonly observed in weather associated with anticyclones:

Clear skies: Anticyclones often bring clear or mostly clear skies due to the descending air suppressing cloud formation. This leads to sunny or mostly sunny conditions.

Light winds: Anticyclones typically have light winds because the descending air tends to inhibit the development of strong winds. However, wind patterns can vary depending on the size and location of the anticyclone.

Dry conditions: The descending air in an anticyclone inhibits the uplift of moist air, resulting in lower relative humidity and drier conditions. This is why anticyclones are often associated with dry weather patterns.

Temperature variations: Anticyclones can bring a range of temperatures depending on the season and geographical location. In general, they tend to be associated with stable temperature conditions, but during winter, anticyclones can bring colder temperatures due to the clear skies and calm winds.

Temperature inversions: In some cases, anticyclones can lead to temperature inversions. A temperature inversion occurs when a layer of warm air sits above a layer of cool air near the surface. This inversion can trap pollutants close to the ground and result in poor air quality.

It's important to note that while anticyclones are generally associated with fair weather, they can also bring certain regional weather patterns and have varying effects depending on the specific circumstances. Local topography, proximity to large bodies of water, and interactions with other weather systems can influence the weather conditions associated with an anticyclone.

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Weather map: surface temperatures of north america
review the weather map and answer the questions that follow. your answers do not need to be
complete sentences.
1. what is the interval of the isotherms on this map?
2. what is the temperature at letter d?
3. what is the lowest temperature in degrees fahrenheit on the map?
4. which letter indicates a temperature of about 67 degrees fahrenheit?
5. what is the hottest temperature in degrees fahrenheit on the map?
6. which letter has roughly the same temperature as letter c?

Answers

Answer:

1:52: 45 3: 45 4: E 5: 90 6: K

Explanation:

What percentage does Canada supply the world with lumber?
2%
5%
15%
20%

Answers

The Answer correct is “20%”

10 POINTS!!! PERSON TO HELP ME GET MARKED AS THE BRAINLEST PERSON
if the first level consumers died out what animals and plants would start to die as well?

Answers

Answer:

well there will be no source for the carnivores or secondary consumers if the primary consumers were died out and also the only organism that will might be still alive would be producers.

I hope that answer your question

Give some examples of cultural change.

Answers

The anti-war movement during the Vietnam war.
Support for gay marriage changes depending on what nation you’re in.
Some customs, such as a thumbs up, are positive in one culture and offensive in another.
Answer:

Cars, airplanes, vacuum cleaners, lamps, radios, telephones, and televisions were all new inventions. Inventions may shape a culture when people use them in place of older ways of carrying out activities and relating to others, or as a way to carry out new kinds of activities. ... Norms were needed for cell phone use.

What is Hydrosphere ?​

Answers

Explanation:

all the waters on the earth's surface, such as lakes and seas, and sometimes including water over the earth's surface, such as clouds.

1. What were the various myths that Americans created about the mound builders? Why were some of these myths harmful for American Indians? 2. What aspects of the Hopewell and Mississippian cultures defy traditional stereotypes of American Indians living north of Mexico? Explain what they are and why they are significant. 3. Why did Native Americans join the missions? What made the missions so destructive? What specific Spanish actions made the missions oppressive?

Answers

1. The various myths that Americans created about the mound builders were that the mound builders were not American Indians, but instead a lost tribe from another continent.

Some said that the mounds were built by European explorers from long before Columbus’s time. These myths were harmful for American Indians as they worked to erase the historical contributions of American Indians to North American culture.2. The Hopewell and Mississippian cultures defy traditional stereotypes of American Indians living north of Mexico in several ways. The Hopewell culture, for example, was a highly developed trading culture that constructed elaborate burial mounds.

The Mississippian culture was marked by large, walled cities with complex social and political structures. These cultures were significant as they showed that American Indians had complex societies with advanced technologies and that North America was not just a “wilderness” waiting to be tamed by Europeans.3. Native Americans joined the missions for various reasons, including the promise of food, clothing, and shelter.

However, the missions were ultimately destructive because they were designed to assimilate Native Americans into European culture and religion. The specific Spanish actions that made the missions oppressive include forced labor, beatings, and whippings, as well as the removal of Native American children from their families and communities to be raised in European-style boarding schools.

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Which boundary does the S-Wave Circle represent? Between ______ and ___
If s-waves stop at this boundary, what do we know about the make-up of what is inside this boundary?

Which boundary does the S-Wave Circle represent? Between ______ and ___If s-waves stop at this boundary,

Answers

Answer:

la respuesta es en el medio guntar Todas las líneas

A rock outcrop exposes a layer of obsidian overlain by volcanic ash and a layer with fragments of lapilli. What rock composition and eruptive type fits this description

Answers

The rock composition of obsidian is a type of volcanic glass that is formed when lava cools quickly and solidifies without crystallizing. It is a felsic (silica-rich) rock that has a composition similar to granite.

The layer of obsidian in the outcrop suggests that there was a felsic volcanic eruption in the area. The layer of volcanic ash above the obsidian suggests that the eruption was explosive, producing a plume of ash that was carried by the wind and deposited over a wide area.

The layer of lapilli (small, rounded volcanic fragments) above the ash layer suggests that there was another, smaller explosive eruption that produced fragments of various sizes.

Therefore, the rock composition that fits this description is obsidian ,and the eruptive type is felsic explosive.

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The high school students who attend Washington Preparatory Academy choose their elective classes according to their majors. Students are 37% likely to major in Performing Arts; 43% likely to choose Science and Technology; 82% likely to major in Business and Management; and 63% likely to select Humanities. Many students choose multiple majors. For example, some Science and Technology students also major in Business and Management because they want to be managers in technical companies. Students have equal probabilities of being freshmen, sophomores, juniors, or seniors.
If Event A = sophomore or senior, what is Event A’?
Group of answer choices

Answers

Answer:freshmen or junior

Explanation:

got it right

As per the rule of probability, the Event A' will be consisting of freshmen or seniors.

What is the rule of probability?

As per the probability, an event is regarded as the chances of drawing the contents such event consist of. Similarly, an Event' is the probability of all the other items remaining in the event.

Hence, the probability of the Event A' consists of freshmen or seniors.

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Take a look at the jazz concert in the virtual reality field trip. Langston Hughes, an American writer, spent hours visiting jazz and blues clubs and used this music to influence his writing. As you explore the jazz concert, consider what type of music might inspire you. Write your thoughts below. pls answer this as fast as possible i am working but i need you peopls help USE THE DOT PLOT GRAPH TO FIGURE THIS OUT!!What is the most appropriate measure of center for the data set about 7th graders?A)meanB)medianC)rangeD)IQR In ________, one firm provides the product or service in a particular industry, which results in less price competition. All of the following were accomplished by the Normandy invasion(D-Day) EXCEPT...a. it gave the Russians a break who had been fighting Germanyfor 4 yearsb. the Allied Powers were able to reclaim Francec. it opened up another front which divided the German armyd. it meant WWII was over, because this battle forced AxisPowers to surrender A five-year project that will require $3,200,000 for new fixed assets will be depreciated straight-line to a zero book value over six years. At the end of the project, the fixed assets can be sold for $640,000. The tax rate is 32% and the required rate of return is 13.30%. What is the amount of the aftertax salvage value? The _____ method is the traditional method for doing research involving controlled observations and analysis to test the principles of a theory. llegal FishA fisherman illegally introduces some fish into a lake, and they quickly propagate. The growth of thepopulation of this new species (within a period of a few years) is modeled P(x) = 5b*, where x is thetime in weeks following the introduction and b is a positive unknown base.a. Exactly how many fish did the fisherman release into the lake Write on two Mechanism of temperature regulation in human in a lottery drawing, tickets will be drawn randomly out of a hat. if 1/10 of the tickets in the hat are green. 1/2 of them are white, 1/4 of them are blue, and the remaining 30 tickets are pink, what is the number of blue tickets in the hat who has the power to change society If the moon is setting at 6 a. M. , the phase of the moon must be. Dont mind the stupi.d grade i got on it. hehe Analyze the histological features of the inflammatory process and the roles of the white blood cells and other factors associated with this process. When a red light with a wavelength of 670 nm shines on a piece of metal, an electron is ejected. What is the energy of the photon absorbed by the electron to overcome the attractive forces?. What is the midpoint of segment AB if A = (-2,2) and B = (4.-6)? Zane Corporation sells $1,000 worth of goods on July 25 on credit. The customer sends the company a check on August 15. The customer receives the goods on September 1. Assuming the company uses accrual accounting, the sale will be recorded in _____. What is a Concord and give examples The distance between the two parallel plates is 3 cm and the lower plate is being pulled at a relative velocity of 10 cm/s greater than the top plate. The fluid used is soybean oil with viscosity of 5x10-2Pa.s at 250 K. Calculate shear stress and shear rate. the value systems and norms of a country are unrelated to the costs of doing business in that country true false