let c1 be the semicircle given by z = 0,y ≥ 0,x2 y2 = 1 and c2 the semicircle given by y = 0,z ≥ 0,x2 z2 = 1. let c be the closed curve formed by c1 and c2

Teak, mahogany, rosewood, balsa, and sandalwood are among the most exquisite and expensive woods found in tropical forests.

What do you mean by tropical rainforest?

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Among the most luxurious and expensive timbers found in tropical forests are teak, mahogany, rosewood, balsa, and sandalwood.

What do you mean by a tropical rainforest?

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Answer:

A. merchants from the Maya civilization.

Explanation:

The people who live in the city of Teotihuacan were D. traders and farmers, but their identity is unknown.

That was the answer for me on Edg (I put A and it was graded as wrong).  

Answer:

Geography affects the weather in many ways. ... Topographical features like mountains affect the weather mostly in the way that they direct air currents. For example, air is forced to rise over mountains. Moist air will cool as it rises, and then the clouds release the water, causing precipitation like rain or snow.Oct 17, 2017

Explanation:

U just have to go and search about the question online

Answer:

the study of rocks

Explanation:

geo means rock and using common knowledge if a word ends with ology it probably has tho do with the study of something for examole biology the study of life

Answer:

At your back, the South (S). To make orientation work easier, maps usually have the North direction at the top of the sheet of paper. So East is always on the right, West is always on the left, and the South direction is always down.

Hope I helped you, good studies!

Answer:

A

Explanation:

Answer:

supernova

Explanation:

When a high-mass star has no hydrogen left to burn, it expands and becomes a red supergiant. While most stars quietly fade away, the supergiants destroy themselves in a huge explosion, called a supernova. The death of massive stars can trigger the birth of other stars.

Hope this helps!

The plates represents tectonic boundaries

1. Wooden blocks

Three symbols are wont to denote the borders between plates. Divergent plate boundaries are shown  by lines with gray shading, convergent plate boundaries by the "triangle" sign, and transform plate boundaries by one line with or without the "T" symbol.

2. Water

The majority of the interior of the Earth is consist of the mantle. The Earth's thin exterior layer,  called the crust, and it's deep, extremely hot core are separated by the mantle.

3. A hot plate heat:

The sun, the ground . A water  vapor (eg air source heat pumps). Water (for instance; water source heat pumps)

4. Thanks to the convection current :

An vacuum pump is attached to the vessel. The block of wood floats over when the vessel is crammed with more air (ignoring  the compressibility of the water)

5. Greater density near the underside and lower density near the surface:

A gallon of water will weight heavier and be denser as more and  more stuff is dissolved in it; ocean water is denser in comparison  pure water. during a glass of water, heavy ice cubes sink to the underside while regular cubes floats in it .

6. Thanks to the temperature disparities between the two types of water, warm water rises, and cold water sinks.

A process that takes  the transfer of energy from one location to a another  is a convection current. it's also called  as heat transfer by convection. The difference in temperature between the 2 fluid compound allows the heat energy to be transported by  the convection.

The Earth's lithosphere, which incorporates the crust and upper mantle, is split into many sorts  called plates that move slowly, consistent with the tectonic theory, which was considered  within the 1960s. It explains and illustrates how the big plates move along  with the various plate tectonic boundaries (convergent, divergent, and transform fault) where they collide, often  as the geological occurrences (earthquakes and subduction) and geologic features (formation of mountains, volcanoes, and trenches) that happen at such  boundaries of the plates .

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The answer to the question is that it is not true that transition zones represent sharp and clear boundaries between groups. In fact, transition zones are areas of gradual change and often have blurred boundaries.

Transition zones vary in size and can be narrow or broad, and they are often contested and ever-changing zones of regional interaction due to the reality of changing geographic fortunes in the world. These zones may be characterized by gradual changes in terrain, vegetation, or cultural practices rather than sharp boundaries, and they are important areas for studying the interactions between different groups and the ways in which they adapt to changing environmental and social conditions.

Transition zones vary in size, reflect the reality of contested and changing geographic fortunes, and represent an ever-changing zone of regional interaction.

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Steams of charged particles cause Aurora Borealis; Oxygen and nitrogen make up the majority of the earth's atmosphere; The functions include storing solar heat, protecting the planet from dangerous radiation, and destroying space junk before it reaches the surface.

The Northern Lights, commonly referred to as the Aurora Borealis, are a type of natural light show that may be seen in the Arctic and other polar regions. Charged particles from the sun interact with the magnetic field and atmosphere of the Earth to produce it. These particles, often referred to as solar wind, strike air molecules and generate light as a result. The Aurora Borealis may produce spectacular and constantly changing patterns in the sky due to its wide range of hues, which range from green to pink to red and blue. People have long been fascinated by the Aurora Borealis, and many now visit the northern areas to view this breathtaking natural phenomenon.

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Answer:

1.mesosphere is a coldest atmospheric layer surrounfing the earth

2.it become cloud enough to freeze water vapour

3.the ice cloud are blue white are caled noctilucent

Explanation:

On May 18, 1980, an earthquake occurred triggering an avalanche that released pressure in the magma chamber. This led to a massive eruption of Mount St. Helens in a lateral blast, which was the most powerful volcanic explosion in the history of the United States. The eruption of Mount St. Helens in May 1980 can be described in the following order:

1. An earthquake occurred: The event began with a magnitude 5.1 earthquake on May 18, 1980, which weakened the north face of the volcano.
2. An avalanche released pressure in the magma chamber: The earthquake triggered a massive landslide and avalanche, causing the removal of a significant portion of the mountain's north face. This, in turn, led to a decrease in pressure within the magma chamber.
3. The volcano erupted in a lateral blast: As the pressure decreased, the volcano erupted in a massive lateral blast, sending a powerful shockwave of hot gases, steam, and rock debris outwards at speeds of up to 300 miles per hour.
4. A pyroclastic flow swept down the mountain: The blast also produced a pyroclastic flow, a dense and fast-moving mixture of hot volcanic gas, ash, and rock fragments. This flow traveled down the mountain and devastated the surrounding landscape.
5. A column of ash rose 25km into the air: Following the lateral blast and pyroclastic flow, a massive column of ash rose approximately 25 kilometers (15.5 miles) into the atmosphere, spreading ash across the Pacific Northwest and causing significant disruption to air travel and local communities.

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Explanation:

1. Implementation of land reforms

For improving the production, land reforms are the first and predominant point. Machines, tractors, and implements do land reforms. These machines have the qualities that make rugged farming areas smooth to work on the field efficiently. Working on the field is easy, that means an improvement in productivity is easy. Land reforms are the best method to increase production.

2. Interplant

Interplant

Interplanting is a practice in which different crops are growing together at the same time. It is the best way to maximize the productivity of your growing space. Some crops are the best together, some not.

3. Plant more densely

Plant more densely

It is the simplest way to improve the productivity of farms, in this plant crops close together. Many farmers keep their vegetables excessively away, which leads to the abandonment of large areas growing well.

4. Plant many crops

Plant many crops

The next method of improving productivity is to plant many crops.

5. Raised beds

Raised bedsTraditional farming systems place crops in separate rows by tractor paths, with permanent beds planting multiple rows of crops within beds of the same width. It creates dense plantations, fewer pathways, and more active growing areas. Raised beds are symbolic of improving the productivity of crops.

6. Smart water management

Water is an essential need for planting crops, and by the management of water, you can enhance the production. Water management is the best way to improve production. Using the sprinkler irrigation system, you can increase the output by up to 50%. By the manufacturing canals, tube wells get a better irrigation system for the safety of crops.

7. Heat Tolerant Varieties

Heat Tolerant Varieties

Heat tolerant varieties allow the plant to maintain the yields in high temperatures. We must improve the heat-tolerant varieties, and it increases the crop yield by up to 23%.

8. Use nitrogen

Nitrogen is a necessary element for better plant growth, and without nitrogen, most of the crops would not exist. Annually, plus 100 million tonnes of nitrogen are applied to crops in the form of fertilizer to help them grow stronger and better. The use of nitrogen can enhance the production of up to 22%.

land-buy

9. Improved seeds

Improved seeds

Seeds play an essential role in the farms, and improved seeds are best to enhance farm productivity. Improved seeds are suitable for increasing production.

10. Plant protection

Plant protection

According to farming scientists, about 5% of crops destroyed by insects, pests, and diseases. Most of the farmers are oblivious of the use of medicines and insecticides developed in recent years. Improving the production of the crops, yields must use these medicines. To be aware, the farmers about these governments should take steps or employ their technical staff in spraying pesticides and insecticides.

If you wanted to quickly show your classmates the location of plate boundaries on the globe, you would show them a map of the world with the plate boundaries highlighted.

Plate boundaries are the locations where two or more tectonic plates meet, and they are found all over the globe. There are three main types of plate boundaries: divergent, convergent, and transform. Divergent boundaries occur where two plates are moving away from each other, such as along the Mid-Atlantic Ridge. Convergent boundaries occur where two plates are moving towards each other, such as along the Ring of Fire in the Pacific Ocean. Transform boundaries occur where two plates are sliding past each other, such as along the San Andreas Fault in California. By showing your classmates a map of the world with the plate boundaries highlighted, you can quickly and easily demonstrate where these different types of boundaries are located.

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Good-quality soil must contain at least 45% organic matter. Soil is a complex mixture of inorganic and organic materials that undergo biological, physical, and chemical processes. Organic matter is a critical component of the soil and has many functions.

It provides a source of energy for microorganisms that decompose it, releasing essential plant nutrients, increasing the soil's water-holding capacity, and improving its structure. Organic matter is the most important component of soil. The content of organic matter in soil is an essential factor determining its quality. The best soil quality is provided by soil that is loaded with content and has good quality.

The presence of organic matter in soil can be enhanced through proper soil management practices such as adding organic matter-rich soil amendments, crop rotation, and conservation tillage. It is important to maintain the organic matter content in the soil to ensure soil fertility, sustainable agriculture, and to prevent soil degradation.

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Answer:

B

Explanation:

because most of the African governments are irresponsible and cant well manage their countries even if they are trying their level best.

The answer to the given question is explained as follows:

It discusses the disadvantages of a local economy whose diversity plays a vital role in private sector.

Local economy is diversified by shifting it from single income source to various income sources.

The disadvantages include,  

bad investment vehicles

Reduces quality

Market risks

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The hot cloud of volcanic gas, ash, and tephra that moves along the ground is called nuée ardentes.

A hot cloud is a type of pyroclastic flow that is produced by a volcano. This type of pyroclastic flow is composed of hot ash, rock fragments, and gas that is ejected from a volcano at high speeds. As the hot cloud moves along the ground, it can cause significant damage to anything in its path. The temperature of a hot cloud can be as high as 1,000 degrees Celsius.

Nuée ardentes is a term used to describe the hot clouds of volcanic gas, ash, and tephra that moves along the ground. It is a French term that means burning clouds These clouds can be highly dangerous and destructive, and they have been known to cause significant damage to communities located near active volcanoes. They are often produced during explosive volcanic eruptions and can travel at speeds of up to 700 km/h.

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Answer:

1. Namib

2. Landlocked

3. Platte

4. Huge plateaus and escarpments

5. Gaza

6. Victoria Falls

7. Great Rift Valley

8. Equator

9. Desertification

10. Savana

Explanation: me big brain

The Namib desert is found in SUB-Saharan Africa.

South of the Sahara is the region of the African continent that is referred to by this name. It includes all African nations and possessions that are either entirely or partly south of both the Sahara, as stated by the United Nations.

1. Namib desert is found in SUB-Saharan Africa.

2. Many of the countries in Sub-Saharan are  Landlocked which limits their trade.

3. Platte river can NOT be found in Sub-Saharan Africa

4. Most of Sub-Saharan Africa is composed of Huge plateaus and escarpments

5. Gaza is NOT a city of culture and trade in Sub-Saharan Africa

6. Famous falls found in Sub-Saharan Africa is Victoria Falls

7. Two tectonic plates are moving away from one another in Great Rift Valley

8. Line of Latitude that bisects the continent of Africa causing the climates north and south of the line to be similar to Equator

9. Environmental problem caused by over-grazing in the area of  Sub-Saharan Africa

is termed Desertification

10. Savana or tropical wet/dry climates where you can find nature preserves or parks

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Answer:

B. The "Ring of Fire" around the Pacific Ocean.

Explanation:

The "Ring of Fire" around the Pacific Ocean is the best example of a convergent boundary where an oceanic plate and continental plate meets.

The Colorado river cut the grand canyon because The Mississippi moves slower. The Mississippi has a lower change in elevation each mile, on average.

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Answer:

True.

Explanation:

Moon revolves around the earth

Answer:

true

Explanation:

there's a reason why we call the moon the Earth's natural satellite

Answer:

B. Pond

Explanation:

If you are doing  then the test aquatic habitats has this question it is B.

If a stationary body of water has a constant temperature from top to bottom it is most likely a pond. Hence, option B is correct.

The diverse range of aquatic species that is frequently present includes algae, snails, fish, beetles, water bugs, frogs, turtles, otters, and muskrats. Top predators include large fish, herons, and alligators, to name a few.

Old English *pond, *pand, a placename occurrence of pund, likely derived from Middle English pond, ponde. Two pounds are added.

A tiny body of water or the Atlantic Ocean's slang moniker is a "pond." An example of a pond is a small, five-acre body of water that is encircled by a neighborhood. The British refer to crossing a pond as "going across the pond." make sizable pools or puddles.

Thus, option B is correct.

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The events that most likely occurred at the boundary between the South American and the Nazca plates were subduction of one plate, formation of a trench, and destruction of crust.

The Nazca Plate is an oceanic tectonic plate located in the eastern Pacific Ocean basin off the west coast of South America. Along the Peru-Chile Trench, the ongoing subduction of the South American and Nazca plates is largely responsible for the Andean orogeny.

Over several hotspots, the movement of the Nazca Plate has created some volcanic islands and east-west running seamount chains that subduct under South America. The Nazca Plate is a relatively young plate in terms of the age of its rocks and in terms of its existence as an independent plate having been formed about 23 million years ago from the break-up of the Farallon Plate.

The question's multiple choices were missing. They are most probably these:

In that case, a, c, and e are the correct options.

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The expression represents the perimeter, in centimeters, of the rectangle C. 2s+24r.

The fringe formula for a rectangle states that, in which P represents perimeter, L represents duration, and W represents width. while you are given the scale of a rectangular form, you can genuinely plug in the values of L and W into the system so as to resolve for the perimeter.

Perimeter = 2 ( length + width)

Where,

   Width = (5r+8s)

   Length = (7r-7s)

substituting into the formula:-

Perimeter = 2 { (5r+8s)+ (7r−7s) }

Perimeter = 2 { 5r + 7r + 8s - 7s }

Perimeter = 2 { 12r + s}

Expand bracket

Perimeter = 24r + 2s

Disclaimer: your question is incomplete, please see below for complete question

A. 2+24r

B. −14s+24r+8

C. 2s+24r

D. 1+12r

Hence the answer is option C. 2s+24r

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Answer:

basically its in tennesee ive been there you can see the clouds and snow also the teperature is 35

Explanation:

Answer:

I would try to describe but I may go ahead a little bit

Explanation:

The Rocky Mountains are often defined as stretching from the Liard River in British Columbia south to the headwaters of the Rio grande in New Mexico.The Rockies vary in width from 110 to 480 Km, the Rocky Mountains contain the highest peaks in central north America.

The Rocky Mountains formed 80 million to 55 million years ago, during the Larami de orogeny ,in which a number of plates began sliding underneath the north American plate.the angle of subduction was shallow resulting in a broad belt if mountain running down western north America