Answer:
Value of x = 5
Explanation:
Given:
Angle 1 = 53°
Angle 2 = 78°
Angle 3 = (10x - 1)°
Find:
Value of angle x
Computation:
Using angle sum property of triangle
⇒ Angle 1 + Angle 2 + Angle 3 = 180
⇒ 53 + 78 + (10x - 1) = 180
⇒ 131 + 10x - 1 = 180
⇒ 10x + 130 = 180
⇒ 10x = 180 - 130
⇒ 10 x = 50
⇒ x = 50 / 10
⇒ x = 5
Value of x = 5
Which are the different types of vegetation, write a short note on each one of them
Answer:
Vegetation regions can be divided into five major types: forest, grassland, tundra, desert, and ice sheet.
Elizabeth buys a package of 360 marbles. She gives away 216 of the marbles What percent of the marbles did Elizabeth give away?
Answer:
60%
Explanation:
216/360*100
3/5*100
60%
how does the continental arc system of mountain building, in which volcanic arc activity is apparent near a subduction zone, form?
A continental arc system forms when two tectonic plates converge, with one being an oceanic plate and the other being a continental plate. In this process, the denser oceanic plate subducts beneath the lighter continental plate, creating a subduction zone.
The continental arc system of mountain building, in which volcanic arc activity is apparent near a subduction zone, forms through a process known as subduction. Subduction is the process by which one tectonic plate is forced beneath another plate due to the difference in density between the two plates. The subducting plate is pulled down into the mantle, where it melts due to the high temperatures and pressures present. As the subducting plate melts, magma rises toward the surface and can eventually erupt to form a volcanic arc. This volcanic activity, combined with the pressure and deformation caused by the subduction process, can result in the formation of mountain ranges known as continental arcs. Continental arcs are characterized by long, narrow mountain chains that run parallel to the subduction zone. Examples of continental arcs include the Andes Mountains in South America, the Cascade Range in the western United States, and the Japanese Archipelago in the western Pacific Ocean.
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A flood impacts an ecosystem by displacing organisms' habitats, polluting bodies of water as the floodwater recedes, and loss of life. True False.
This statement is true about the effect of floods on the ecosystem. Flood impact individuals or communities as well and have social economic and environmental consequences.
What are natural disasters and its effect?Natural Disasters are catastrophic events that led to atmospheric geological and hydrological events which cause drought, flood, earthquake, hurricanes, and landslides.
Natural disasters cause damage to property, financial loss, loss of life.
People lose their homes, putting their lives in danger to survive in disasters time.
Therefore this statement is true.
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Answer:
True
Explanation:
got a 100% if you want the answers for all just ask :)
Write a paragraph explaining why political borders sometimes cause conflict between people. Give examples of why people may not agree with the political borders that are decided on.
Political borders are a source of conflict between people for various reasons.
What is the primary reason?One of the primary reasons is that political borders are often decided without considering the cultural, linguistic, and historical ties of the people living on either side.
This can result in communities being split apart, families separated, and resources divided. Additionally, people may not agree with the political borders because they feel that they are being unfairly excluded from certain resources or opportunities.
For example, the partition of India in 1947 led to widespread violence and displacement because people were forced to move across newly established borders based on religion.
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FILL IN THE BLANK. old maps are accurate in their north and south depictions of earth's surface, but many are badly distorted by their east and west dimensions of geographic forms. this is because ____.
Old maps are accurate in their depictions of the earth's surface to the north and south, but many are badly distorted by their east and west dimensions of geographic forms.. this is because Sailors have been able to calculate latitude since ancient times.
Physical characteristics such as elevation, slope, orientation, stratification, rock exposure, and soil type are used to classify landforms. Gross physical features or landforms include intuitive elements such as berms, mounds, hills, ridges, cliffs, valleys, rivers, peninsulas, volcanoes, and numerous other structural and size-scaled elements such as inland and oceanic waterbodies and sub-surface features.
The four major types of landforms are mountains, hills, plateaux, and plains. Buttes, canyons, valleys, and basins are examples of minor landforms.Landforms can be formed as a result of tectonic plate movement beneath the Earth, which pushes up mountains and hills.
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If place lies at the height of 2500 meters above the sea level and its surface temperature is 20 degree celcius,estimate the temperature of place B at the height of 1500 mast ?Justify?
Answer:
Temperature of place B is approximately \(33.33^{o}\).
Explanation:
With respect to the earth, temperature decreases with height or altitude. This implies that there is an inverse relationship between altitude/ height and temperature.
Then;
height \(\alpha\) \(\frac{1}{temperatur}\)
⇒ height = \(\frac{k}{temperatur}\)
Where k is the constant of proportionality.
When the height is 2500 m and temperature is \(20^{o}\), then;
height = \(\frac{k}{temperatur}\)
2500 = \(\frac{k}{20}\)
k = 2500 x 20
= 50000
So that when height = 1500 m, then;
height = \(\frac{k}{temperatur}\)
temperature = \(\frac{k}{height}\)
= \(\frac{50000}{1500}\)
= \(33.3333^{o}\)
Temperature of place B is approximately \(33.33^{o}\).
This is justified since temperature decreases with altitude or height.
how have the countries of central asia been governed over the centuries?
The past of the many peoples who have inhabited Essential Asia is central to our understanding of the region. Such people's lifestyle is mostly influenced by the terrain and climate of the region.
Agriculture in the area is challenging due to the area's aridity, and its isolation from the sea prevents significant trade. As a result, the area saw the development of few large cities. For thousands of years, the region was ruled by horse-riding steppe nomads.
Conflict characterized the interactions between the steppe nomads and the established inhabitants of Central Asia. The nomadic way of life was perfectly suited to combat, and because of the deadly tactics and prowess of their horse archers, the steppe horse riders became some of the most militarily powerful people in the world. Occasionally, tribal leaders or shifting circumstances would lead to the organization of multiple tribes into a single military force, which would then frequently launch conquest expeditions, especially into more "civilized" areas.
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2 differences and similarities that the mantle has with all the other layers of the earth
Answer:
Explanation:
differences and similarities that the mantle has with all the other layers of the earthHow is the mantle different from the other layers of the Earth?
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The lower mantle is hotter and denser than the upper mantle and transition zone. The lower mantle is much less ductile than the upper mantle and transition zone. Although heat usually corresponds to softening rocks, intense pressure keeps the lower mantle solid.
How was feudalism a reciprocal relationship?
Answer:
Both of these aspects are key to understanding feudalism. Reciprocity lies in the fact that the senior party to any relationship provided land and oversight to the junior party, who in turn was expected to provide his lord with economic and military support.
which of the following countries is not located in the african transition zone? group of answer choices mauritania mali niger somalia tanzania
Tanzania is not located in the African transition zone.
What is the African transition zone?
The African Transition Zone is the boundary between the two dominant African cultures, i.e. Arab and African. The transition zone, as defined by experts, stretches from the Atlantic Ocean in the west to the Red Sea and the Indian Ocean in the east. It separates North Africa from Sub-Saharan Africa. The countries lying on the African transition zone are Mauritania, Mali, Niger, Chad, Sudan, Eritrea, and Ethiopia. Somalia is located in the Horn of Africa.
Tanzania is located in East Africa and is bordered by Kenya and Uganda to the north, Rwanda, Burundi, and the Democratic Republic of the Congo to the west, Zambia, Malawi, and Mozambique to the south, and the Indian Ocean to the east. Hence, Tanzania is not located in the African transition zone.
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5. Where are secondary economic activities like manufacturing most likely to be located? (1 point)
O in areas near raw materials
in areas with mild climates
.
O in areas with few people
O in areas with universities
The secondary sector of economic activities like manufacturing most likely to be located in areas near raw materials.
What is secondary sector of economy?The secondary sector of the economy is one of the economic sectors in the three-sector theory of macroeconomics, which describes the role of manufacturing. It includes sectors that engage in building or generate finished, useable goods.
This industry typically uses the primary sector's output, or raw resources, to produce completed goods suited for export as well as sale to domestic enterprises and consumers (via distribution through the tertiary sector). Many of these sectors require factories, heavy machinery, and high energy consumption; as a result, they are frequently categorized as light or heavy. Additionally, this generates waste heat and materials that could pollute the natural environment (see negative externalities). Examples include the manufacture of textiles, automobiles, and handicrafts.
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usually lakes are smaller and shallower than ponds. true false
The given statement, "Usually lakes are smaller and shallower than ponds," is false because it contradicts the general characteristics and definitions of lakes and ponds.
In general, lakes are larger and deeper than ponds. Lakes are typically large bodies of freshwater or saltwater that are surrounded by land and have substantial surface areas and depths. They often result from geological processes such as tectonic activity or glacial activity.
On the other hand, ponds are smaller and shallower bodies of water compared to lakes. Ponds are often formed by various natural processes such as precipitation, groundwater seepage, or human intervention. While the specific size and depth can vary, ponds are typically characterized by their smaller size and shallower depths compared to lakes.
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What did the Sumerian god, Anu, represent?
Answer:
creation i think
Explanation:
An area located on the edge of a desert, with a semiarid climate, is known as a:
Answer:
An area located on the edge of a desert, with a semiarid climate, is known as a steepe
which of the following is an example of a cultural hierarchy?
12. why does an ice cube melt when held in the palm of your hand (assume for this question that the external air temperature is not a factor)?
An ice cube melts when held in the palm of your hand because the heat from your hand is transferred to the ice cube, causing it to change from a solid to a liquid state.
When you hold an ice cube in your hand, your hand is warmer than the ice cube. Heat always flows from a higher temperature to a lower temperature. In this case, heat flows from your hand to the ice cube.
This transfer of heat raises the temperature of the ice cube until it reaches its melting point (0 degrees Celsius or 32 degrees Fahrenheit). As the ice cube absorbs more heat, the molecules in the ice gain more energy, causing them to move faster and break the bonds holding them together in a solid state.
As a result, the ice cube transitions into a liquid state, which we observe as melting. This process will continue as long as there is a temperature difference between your hand and the ice cube, and it has not completely melted.
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if you were traveling from colorado to mississippi would your elevation be increasing or decreasing
Explain the features of houses built in rural areas?
Homes constructed in rural locations frequently include characteristics that reflect the locals' natural environment and way of life.
They frequently use locally sourced materials like wood, brick, or stone and have a straightforward style. To take use of the beautiful views and fresh air, these residences may also have porches and big windows.
A lot of rural homes are constructed for practical uses, like farming or raising animals, and may contain barns and storage spaces. Homes may be built with self-sufficient features like water wells, septic tanks, and solar panels for energy due to the isolation of rural locations.
Overall, practicality and sustainability are frequently prioritized in rural dwellings in order to blend in with the surroundings.
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rivers change as they get older. a. what are three characteristics of a young river? (6 points) b. what are three characteristics of an old river? (6 points)
a. Three characteristics of a young river are a V-shaped valley, high gradient, and few meanders.
b.Three characteristics of an old river are a wide floodplain, meandering course, and lower gradient.
A young river is in the early stages of its development and is characterized by certain features. Firstly, it has a V-shaped valley, which indicates that the river is actively eroding the surrounding landscape. The steep sides of the valley are a result of the river's erosive power. Secondly, young rivers tend to have a high gradient, meaning they have a steep slope and flow rapidly downhill. This high gradient enables the river to transport sediment and erode the land more efficiently. Lastly, young rivers typically have few or no meanders. Meanders are formed as the river matures and develops a more sinuous course. In the early stages, the river has not had sufficient time to create pronounced bends or meanders in its path.
b. An old river has undergone significant changes over time and exhibits distinct characteristics. Firstly, it has a wide floodplain, which is a flat and low-lying area adjacent to the river channel. This wide floodplain is formed as the river deposits sediment over many years, creating a broad and flat area prone to flooding. Secondly, an old river often has a meandering course with pronounced bends and loops. The river's lateral erosion and deposition of sediment on the inside of the bends lead to the formation of meanders. Finally, compared to young rivers, old rivers have a lower gradient. The lower gradient means that the slope of the river has decreased over time, resulting in slower water flow. The lower gradient allows for greater sediment deposition and the formation of a more developed river system.
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Calculate the fraction of the total emitted sunlight that reaches Earth. (Hint: Imagine a sphere around the Sun the size of Earth’s orbit (area = 4πa2), then calculate the fraction of that area taken up by the disk of Earth (area = πr2planet). Earth's reflectivity is 29%)
Answer:
1.305 * 10⁻¹⁰
Explanation:
The earth disk is circular, hence the area of the earth disk is given as:
\(Area\ of\ earth\ disk=\pi r_{planet}^2\\\\but\ r_{planet}=6371\ km=6371000\ m\\\\Area\ of\ earth\ disk=\pi (6371000)^2\\\\a=1.5*10^8\ km=1.5*10^{11}\ m\\\\Area\ of\ earth\ orbit=4\pi a^2=4\pi (1.5*10^{11})^2.\\\\Therefore:\\\\\frac{Area\ of\ earth\ disk}{Area\ of\ earth\ orbit}=\frac{\pi (6371000)^2}{4\pi (1.5*10^{11})^2} =4.5*10^{-10}\\\\\)
This ratio represents the fraction that would be blocked if the planet did not reflect any light, hence:
fraction of the total emitted sunlight reflected by earth = 29% of 4.5 * 10⁻¹⁰ = 0.29 * 4.5 * 10⁻¹⁰ = 1.305 * 10⁻¹⁰
The fraction of the total emitted sunlight that reaches Earth is 1.81 e-16
For one, we know that the earth disk is circular. The area of the earth disk is given as:
πr², with r being the radius of the earth, 6371km
Area of the earth's disk = 3.142 * (6371000²)
Area of the earth's disk = 3.142 * 40589641000000
Area of the earth's disk = 127,532,652,022,000
Area of the earth's disk = 127.5 e+12 m
The area that the earth orbit is given as 4πa², where a = area of the earth
Area of the earth's orbit = 4 * 3.142 * (127.5 e+12)²
If the area of the earths disk is ratio to area of the earths orbit, then we have
\(\frac{Area of the earth's disk}{Area of the earth's orbit}\) = \(\frac{127.5 e+12}{ 4 * 3.142 * 127.5 e+12}\)
\(\frac{Area of the earth's disk}{Area of the earth's orbit}\) = π6371000²/4π(127.5 e+12)²
\(\frac{Area of the earth's disk}{Area of the earth's orbit}\) = 624.2 e-18
If you then factor the earth's reflectivity into it, we have
0.29 * 624.2 e-18 = 181 e-18 or 1.81 e-16
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The nine regions that the Census Bureau has established within the United States are
examples of
A) governmental regions.
B) functional regions,
nodal regions
D) formal regions
E) vernacular regions.
Answer:
D
Explanation:
Give an example of human geography from the United States or Canada
Answer:
Examples of human geography from the United States or Canada
1. the presence of the largest and oldest megalopolises on the globe (Boswash, Great Lakes Megalopolis, Californian Megalopolis).
2. the largest urban agglomerations: New York City and Los Angeles.
3. the most populated regions in the United States (Atlantic coast: 4000 inhabitants/km²)
4. the population is a mixture of races and peoples, unique civilizations on the globe.
The average distance between the earth and the sun is termed as a/an. A. astronomical unit B. light year C. parallactic second D. none of these
The average distance between the Earth and the Sun is termed as A. astronomical unit.
An astronomical unit (AU) is a unit of length commonly used in astronomy to represent distances within the solar system. It is defined as the average distance from the Earth to the Sun, which is approximately 149.6 million kilometers or 93 million miles. The astronomical unit provides a convenient reference for measuring distances between celestial bodies within our solar system. A light year (B) is the distance that light travels in one year and is used to measure vast distances between stars and galaxies. A parallactic second (C) is not a standard unit of distance measurement. Therefore, the correct answer is A. astronomical unit.
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describe the most important economic activities of the Pacific Islands
Answer:
Tourism is the main economic activity in the Pacific , but minerals and fossil fuels provide some islands with additional wealth . Fishing and subsistence agriculture have been the traditional livelihoods .
Explanation:
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what kinda challenges do the Andean And Midlatitude countries face
Answer:
Andean countries such as Colombia, Ecuador or Perú have the challenge of mining the regions minerals.
Explanation:
Which of the following best describes MONSOONS? *
A. Areas of the Pacific Ocean characterized by high amounts of tectonic activity like earthquakes and volcanoes
B. Seasonal rains that last for weeks and bring flooding and allow for agriculture
C. Massive tidal waves caused by underwater earthquakes
D. Massive droughts (lack of rain) throughout Southeast Asia
What would global wind circulation look like on a nonrotating earth?
Global wind circulation on a nonrotating Earth would be nonexistent.
Why would there be no global wind circulation on a nonrotating Earth?
On a nonrotating Earth, the primary driver of wind circulation, known as the Coriolis effect, would not exist. The Coriolis effect is caused by the rotation of the Earth, which deflects moving air masses to the right in the Northern Hemisphere and to the left in the Southern Hemisphere. This deflection creates the characteristic wind patterns observed on our rotating Earth.
Without the Coriolis effect, air masses would not be deflected, and as a result, global wind circulation would be absent. The Earth's surface would experience calm air conditions with minimal or no horizontal movement of air masses.
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How is the water cycle a continuous process?
Answer:
It repeats itself without any interruption.
Answer:
because it is powered by solar energy, which constantly causes evaporation over and over again.
Regional climate and local geology greatly affect the appearance and behavior of coasts. Climatic and geologic factors that influence coasts include: Proximity to rivers that deliver a great amount of sediment The deformation rate or absence of tectonic activity The erosion susceptibility of the bedrock Frequency of intense storms, and prevailing wind direction Configuration of the coastline and nearshore areas In order to understand the complexities of coastlines, a classification system using sea level as a reference is used. Geologists have created two general categories for coastal zones that describe how they change relative to sea level: whether the coast appears to be emerging from underneath the water or submerging below it. Emergent coasts appear to be moving up out of the water and develop as a result of tectonic uplift or sea level fall. Submergent coasts appear to be sinking and are created when the land is subsiding or sea level is rising. Emergent coasts are formed by tectonic uplift or sea level fall; therefore, erosion processes play an important role in shaping them. As a result, we might see steep cliffs and previously submerged features now above water level. Conversely, because submergent coasts are the result of subsidence or sea level rise, we expect depositional processes (such as large accumulations of sediment) and inundation by water of rivers entering the sea to play important roles in shaping them. Select the two that apply.
Answer:
Emergent coasts are likely to be found in areas experiencing active tectonic uplift.
Frequent flooding is a characteristic of rivers that flow to submergent coastlines.
Explanation:
A coast is defined as mass of land that is close to the sea or the land mass touching the sea are called as the coast. And the boundary of the coast which meets the water surface is called as the coastline.
There are different types of coast that are formed due to different physical phenomenon of the nature. Both the regional climate and the local geology affects the behavior as well as the appearance of the coast.
Emergent coast is the coast that is formed by the relative fall in the elevation of the sea level due to the reduction of volume of water in the ocean as well as due to the tectonic upliftment of the land surfaces. And in the submergent coastlines, there is frequent flooding which is the characteristics of the rivers flowing to these submergent coastlines.