The process that produces mafic magma is partial melting of the mantle. Therefore the correct answer is option B.
Mafic magma is distinguished by its composition, which is high in magnesium (Mg) and iron (Fe) with a low silica (SiO2) concentration. This type of magma is generally connected with basaltic lava flows and is found in volcanic zones such as mid-ocean ridges and hotspot sites.
Because of the extreme temperatures and pressure conditions present in the Earth's mantle, partial melting occurs. As the temperature of the mantle rocks rises, certain minerals with lower melting points begin to melt while others stay solid. These molten minerals produce mafic magma, which rises to the Earth's surface via fissures and fractures.
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Which type of projection is best for sorting nations by language?
Answer:
Cylindrical map projections
Explanation:
Cylindrical map projections are used for portraying the Earth. Cylindrical map projections are rectangles, but are called cylindrical because they can be rolled up and their edges mapped in a tube, or cylinder. They have straight coordinate lines with horizontal parallels crossing meridians at right angles. All meridians are equally spaced and the scale is consistent along each parallel. The only factor that distinguishes different cylindrical map projections from one another is the scale used when spacing the parallel lines on the map.
Cylindrical map projections are great for comparing latitudes to each other and are useful for teaching and visualizing the world as a whole, by determining continents, languages, etc but really aren’t the most accurate way of visualizing how the world really looks in its entirety.
Based on your analysis, do you think the legend of hanging gardens is more fact of fiction?
According to your investigation, the twin walls and the Ishtar Gate have been discovered, but there is no sign of the fabled gardens. Thus, you believe that the mythology of the hanging gardens is more fiction than fact.
Only one of the conventional lists of the Seven Ancient Wonders has escaped archaeologists and historians up to this point: the Hanging Gardens of Babylon.
Their exact location or appearance have never been determined by reliable archaeological evidence. A 300-mile journey from Babylon, a researcher from Oxford claims to have discovered proof of the fabled Hanging Gardens of Babylon. A 300-mile journey from Babylon, a researcher from Oxford claims to have discovered proof of the fabled Hanging Gardens of Babylon.
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why is it possible to issue a tsunami warning but not a warning for an impending earthquake? describe a scenario in which a tsunami warning would be of little value
A tsunami is a series of ocean waves that have long wavelengths and are produced by a disturbance in the ocean. Tsunamis can be caused by earthquakes, volcanic eruptions, landslides, or even meteorite impacts on the ocean.
A tsunami warning system can detect the occurrence of a tsunami and warn the public to evacuate the area as quickly as possible.
On the other hand, earthquakes are sudden and unpredictable, making it impossible to warn the public about an impending earthquake. Scientists can't predict when or where an earthquake will strike, and they don't know how strong it will be.Tsunami warnings are typically given after an earthquake occurs.
The seismometers in the region where the earthquake occurred detect the movement of the earth and send out a warning that a tsunami could occur. When the warning is received, people are given time to evacuate the area, which can save countless lives. In a scenario where the earthquake occurred too close to the coast, and the waves are too high, the warning would be of little value.
In this situation, it would be nearly impossible for people to evacuate in time, and the waves would cause severe damage and loss of life. In this case, it would be better to evacuate the area as soon as possible and not wait for a warning.
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We know there is NOT a vast magma pool in the mantle under all the tectonic plates because:
(a) all magma is generated in the Earth’s core;
(b) the Earth’s highest temperature occurs at the Earth’s surface;
(c) sedimentary rocks can be melted into basalt;
(d) seismogram analysis shows that seismic S waves travel through the mantle
There is NOT a vast magma pool in the mantle under all the tectonic plates because of the reasons mentioned in options (b) and (d).
The statement that there is not a vast magma pool in the mantle under all the tectonic plates is supported by the following reasons:
(b) The Earth's highest temperature occurs at the Earth's surface: This statement is true because the Earth's surface is closest to the Sun and receives direct solar radiation. The temperature gradually decreases as we move deeper into the Earth, including the mantle. Magma formation requires high temperatures, and the fact that the Earth's highest temperatures occur at the surface suggests that the conditions necessary for extensive magma pools are not present in the mantle.
(d) Seismogram analysis shows that seismic S waves travel through the mantle: Seismic waves are generated by earthquakes and can provide valuable information about the Earth's interior. S waves are shear waves that cannot travel through liquids, including magma. Seismogram analysis has shown that S waves do propagate through the mantle, indicating that the mantle is not predominantly molten and filled with magma. If a vast magma pool were present under all the tectonic plates, S waves would not be able to travel through the mantle as they do.
(a) All magma is generated in the Earth's core: This statement is incorrect. While the Earth's core is a source of heat that contributes to the generation of magma, not all magma is generated in the core. Magma can also be generated in the mantle through processes such as decompression melting and flux melting in subduction zones.
(c) Sedimentary rocks can be melted into basalt: This statement is incorrect. Sedimentary rocks typically have lower melting points compared to igneous rocks like basalt. However, the specific composition and conditions of the rocks are important factors in determining their melting behavior. In general, sedimentary rocks are more likely to undergo partial melting to form granitic magmas rather than basaltic magmas.
In conclusion, the absence of a vast magma pool in the mantle under all the tectonic plates is supported by the fact that the Earth's highest temperature occurs at the surface and seismic S waves can travel through the mantle. These observations indicate that the mantle is not predominantly molten with magma.
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. how did the craters that you created differ from lunar craters? were your initial guesses about which factors would determine the sizes and appearances of your craters confirmed, or denied?
The primary distinction between the 2 is that Earth has approaches that could erase nearly all proof of beyond influences.
The Moon does now not. quite plenty any tiny dent made on the Moon's floor goes to live there. Three techniques assist Earth to hold its surface crater free.
The scale and shape of the crater and the amount of fabric excavated rely on factors inclusive of the velocity and mass of the impacting frame and the geology of the surface. The quicker the incoming impactor, the bigger the crater.
The expertise of the ages of lunar craters opened a course for investigating different planetary surfaces. these days, scientists can make inferences about the geologic histories of planetary bodies without ever touchdown on their surfaces.
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what is the capital city of sri lanka?
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Colombothanks Hope it helpsAnswer: Colombo is the executive and judicial capital of Sri Lanka.
Explanation:
The analysis, interpretation and presentation of large quantities of climatic data is typically handled by _______________ .
The analysis, interpretation, and presentation of large quantities of climatic data are typically handled by meteorologists, climate scientists, and data analysts.
Meteorologists are professionals who study the Earth's atmosphere and weather patterns. They collect and analyze weather data, including climatic data, to make predictions and understand climate patterns.
They use various tools and techniques to analyze large quantities of climatic data, such as temperature, precipitation, wind speed, and atmospheric pressure.
Climate scientists specialize in studying long-term climate patterns and changes. They analyze historical climate data, including data from weather stations, satellites, and other sources, to understand climate variability and trends.
They use statistical methods and models to interpret and analyze large datasets, helping to identify patterns and make predictions about future climate conditions.
Data analysts play a crucial role in handling large quantities of climatic data. They have expertise in data management, statistical analysis, and data visualization techniques.
They use programming languages and software tools to process, clean, and organize climatic data.
They also apply statistical techniques to identify correlations and trends in the data. Data analysts often create visualizations, such as graphs and maps, to present the findings in a clear and understandable way.
In summary, the analysis, interpretation, and presentation of large quantities of climatic data are typically handled by meteorologists, climate scientists, and data analysts.
These professionals utilize their expertise in weather patterns, climate trends, and data analysis to make meaningful interpretations and predictions based on climatic data.
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¿Qué entiendes por consumismo?
Answer:
Am, pues, algo que usamos en exceso y abusamos en veces
Explanation:
Tendencia al consumo excesivo e innecesario de bienes y productos.
Which of the following is considered to have a confederation system of governance?
Answer:
Switzerland is a modern example of a confederation. The Constitution established a system that is a combination of both unitary and confederate systems.
Explanation:
Agricultural sustainability depends upon an understanding and proper management of the cornerstone of food production,A)irrigation systems.B)agricultural soils.C)the generation of new plant hybrids using genetic engineering.D)the agricultural technology necessary to plow,plant,and harvest.
Answer:
agricultural soils
Explanation:
The answer to the given question is "agricultural soils." Agricultural sustainability depends upon an understanding and proper management of the cornerstone of food production is "agricultural soils."
Agricultural sustainability requires an understanding and proper management of the cornerstone of food production which is "agricultural soils." Agricultural soil is one of the most important factors in food production, as it is responsible for producing most of the world's food. It is the foundation of the food production system and plays a critical role in the long-term sustainability of agricultural production.
Agricultural sustainability can be achieved by maintaining and improving the health and productivity of agricultural soils. It is necessary to manage agricultural soils properly to increase their productivity, ensure their long-term sustainability, and minimize the environmental impact of food production. The key to maintaining soil health and productivity is to ensure that agricultural soils are managed in a way that minimizes soil degradation, reduces soil erosion and nutrient depletion, and maintains soil fertility.
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A mining geologist locates a horizontal seam of coal very near the surface of land. What type of mining method will the mining company likely use to extract it and why
If a mining geologist locates a horizontal seam of coal very near the surface of land, the mining method that the mining company will likely use to extract it is open-pit mining method.
This is because open-pit mining is the most efficient and economical method to extract coal deposits near the surface. Open-pit mining method is one of the surface mining techniques. It is also known as strip mining, open-cut mining, or open-cast mining.
In this mining method, the surface layer of soil and rock overlying the deposit is removed to extract the coal seam. In open-pit mining, large pits or "steps" are excavated in the ground, and the overburden (soil, rock, and other materials) are removed to reach the coal seam. Once the coal is extracted, the mining pit is refilled and replanted to restore the land to its original state.
The open-pit mining method is typically used for coal deposits that are less than 100 meters deep. Open-pit mining is cost-effective, efficient, and provides a high production rate. It is the preferred mining method for most coal mining companies.
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Place explains the relationship between humans and their environment?
Answer:
Humans change their environment both positively and negatively and the environment affects how humans live in many different ways. The main interactions between humans and our environment can be grouped into the use of resources and the production of wastes.
pls help will give branlyest Which of these are types of tundra ecosystems? (Select all that apply.)
antarctic
alpine
alaska
americas
What were the independent, dependent, and control variables in your investigation? Describe the variables for the first part of the experiment.
What independent, dependent, and control variables were present in your study? Give a description of the experiment's variables for each component.
Who is an independent girl?
One could consider a lady independent if she is self-sufficient in every way and takes pride in her ability to do so. A woman who is self-reliant is aware of her emotions, expresses her convictions honestly, and upholds her own moral standards. Because they enable people to support themselves financially, take care of their health, and live independently, independent skills are crucial. They let individuals rely on themselves for a place to live, a meal, and employment. People can become more powerful, confident, and have a feeling of purpose by being more independent.
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Along which tectonic boundary will chains of composite cone volcanoes be located?.
Answer:
Stratovolcanoes are common at subduction zones, forming chains and clusters along plate tectonic boundaries where oceanic crust is drawn under continental crust (continental arc volcanism, e.g. Cascade Range, Andes, Campania) or another oceanic plate (island arc volcanism, e.g. Japan, Philippines, Aleutian Islands).
Which of the following do Palestinians believe they should retain in any agreement to end
conflicts with Israel over control of Jerusalem?
Answer:
yes
Explanation:
does anyone have the answers to the unit 5 lesson 10 history unit test on migration and cultural exchange????????
Answer:
If you search "unit 5 lesson 10 history unit test quizlet" you might get it. Make sure you include the word "Quizlet" at the end.
Explanation:
how many hours occurred between sunrise and solar noon on september 23
The number of hours between sunrise and solar noon on September 23 varies depending on the location and can be determined using astronomical calculations.
The number of hours between sunrise and solar noon on September 23 is not a fixed value and varies based on several factors, including the latitude of the location and the specific year. To determine the precise number of hours, one needs to consider the equation of time, which accounts for the slight variations in the Earth orbit and axial tilt. The equation of time affects the time it takes for the Sun to reach its highest point in the sky (solar noon) relative to standard clock time.
By using astronomical calculations or specialized software, it is possible to determine the exact time of sunrise and solar noon for a given location on September 23. The time difference between these two events will provide the number of hours that occur between them.
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For residents of an agricultural town, the following are viable sources of biomass fuel EXCEPT Group of answer choices wood byproducts from a lumber mill. natural gas from fracking. corn husks left over from a harvest. trees collected from the clearing of new land.
Answer:
natural gas from fracking
Explanation:
Biomass fuel is made from organic material. Natural gas is not considered a source of biomass fuel, as it itself is fuel.
is a GIS better at explaining what is happening on earth or why something is happening
Answer: A Geographic Information System (GIS) is a computer system that analyzes and displays geographically referenced information. It uses data that is attached to a unique location. Most of the information we have about our world contains a location reference: Where are USGS stream ages are located
Explanation:
Temperatures vary seasonally around the world because of the way earth tilts on its axis and revolves
around the sun
True
False
Answer:
True
Explanation:
Because of the equator of the earth
what is one environmental issue facing pakistan, india, and bangladesh? volcanic activity deforestation water pollution typhoons
One environmental issue facing Pakistan, India, and Bangladesh is- c. water pollution.
With increasing industrialization and population growth, the demand for water has risen, leading to the discharge of untreated industrial waste, agricultural runoff, and household sewage into water bodies.
This pollution not only affects aquatic life but also poses a serious threat to public health as contaminated water is a major cause of waterborne diseases.
Measures such as the implementation of stricter environmental regulations and investment in wastewater treatment facilities can help mitigate this issue.
Hence, option c. is correct.
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what does the term meridian said? Why we didn't say prime line? Why we say prime meridian?
Answer:
a great circle on the surface of the earth passing through the poles
Explanation:
Which of the following would be a PUSH factor of a country?
A. High Life Expectancy
B. Large Gross Domestic Product
C. Overpopulation
D. Large infant mortality rate
Answer:
D
Explanation:
A push factor is pushing migrants away from a country having a mortality rate of children would puah anyone away
every time the creek near our house flooded, it was just after a major storm. clearly, significant rainfall causes the creek to overflow, because it never flooded if there had not been significant rainfall.
Every time the creek near our house flooded, it was just after a major storm. This suggests that significant rainfall causes the creek to overflow. If there had not been significant rainfall, the creek never flooded.
When it comes to flooding, rainfall plays a crucial role. When a major storm occurs, it brings a substantial amount of rain, which leads to increased water levels in the creek. This excess water overwhelms the creek's capacity, causing it to overflow and flood the surrounding area.
To understand why significant rainfall causes the creek to overflow, let's consider the water cycle. When it rains heavily, the rainwater runs off the land and enters the creek. Normally, the creek can handle a certain amount of water and maintain its regular flow. However, when there is an excessive amount of rainfall, the creek's capacity is exceeded, and the water spills over its banks, resulting in flooding.
It's important to note that the creek flooding after a major storm is not a coincidence. This pattern suggests a direct cause-and-effect relationship between significant rainfall and the creek overflowing. By analyzing historical data and observing the consistent occurrence of flooding after major storms, we can confidently conclude that significant rainfall is the primary factor causing the creek to flood.
In summary, the creek near our house floods every time there is significant rainfall, usually after a major storm. This is because the excess rainwater exceeds the creek's capacity, leading to overflow and flooding.
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The increase of temperature with depth in the earth is called the ___ gradient.
Answer:
geothermal
Explanation:
The Earth gets hotter as one travels towards the core, known as the geothermal gradient. The geothermal gradient is the amount that the Earth's temperature increases with depth.
question 4(multiple choice worth 3 points) (02.01 mc) the existence of pangea is supported by evidence that similar fossils appear on different continents. how does this observation support the existence of pangea? it shows that fossils can be relocated. it shows that organisms can migrate across oceans. it shows that similar animals can develop in different climates. it shows that the continents used to be closer together.
The observation that supports the existence of Pangea which is supported by similar fossils appearing on different continents is that it shows that the continents used to be closer together.
In early geologic time, the term Pangea is used to refer to a supercontinent that existed during the late Paleozoic and early Mesozoic eras. It is believed that the supercontinent incorporated almost all the Earth’s land masses and started to break apart about 200 million years ago, during the Early Jurassic Epoch. Pangea’s existence was first proposed in 1912 by German meteorologist Alfred Wegener as a part of his theory of continental drift. The discovery of similar fossils of plants, animals, etc., supported the existence of Pangea and suggested that the continents used to be closer together.
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an infection caused by inadequate sensation
Answer:
Sensory processing disorder.
Explanation:
Sensory processing disorder is a condition in which the brain has difficulty in receiving and responding to information that comes in through our senses. This Sensory processing disorder is a type of infection that occurs by inadequate sensation in the body. Sensory processing disorder can negatively affected all of your senses, or just only one sense in your body.
Which culture had the greater impact on Indian history: the Greeks or the Muslims? Explain your answer.
Answer:
The Greeks
Explanation: Just trust me its right
The Northernmost tip of Latin America is the country of
A. Argentina
B. Cuba
C. Mexico
D. United States
Answer:
Mexico
Explanation: