What is a rock? -Geography

What is a rock? -Geography
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Answer :

Rock A mass of mineral matter that makes up the crust of the earth is called rock. Or Aggregates of minerals are termed as rocks. Examples: See part
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What are metamorphic rocks? Describe the types of metamorphic rock and how are they formed? -Geography

Description : What are metamorphic rocks? Describe the types of metamorphic rock and how are they formed? -Geography

Last Answer : The word metamorphic means ‘change of form’. These rocks form under the action of pressure, volume and temperature (PVT) changes. Metamorphism takes place when rocks are forced down to ... , granite, syenite, slate, schist, marble, quartzite etc. are some examples of metamorphic rocks.

Describe the nature and mode of origin of the chief types of rock at the earth’s crust. How will you distinguish them?\ -Geography

Description : Describe the nature and mode of origin of the chief types of rock at the earth’s crust. How will you distinguish them?\ -Geography

Last Answer : The earth's crust is composed of rocks. A rock is made up by aggregate of one or more minerals. Rock may be hard or soft and in varied colours. For example, granite is hard, ... contact with the crustal rocks or the underlying rocks are subjected to great amounts of pressure by overlying rocks.

What relationship explained by rock cycle between the major type of rocks? -Geography

Description : What relationship explained by rock cycle between the major type of rocks? -Geography

Last Answer : Rocks do not remain in their original form for long but may undergo transformation. Rock cycle is a continuous process through which old rocks are transformed into new ones. Igneous rocks are ... in temperature in the interior and turn into molten magma, the original source for igneous rocks.

What is meant by sedimentary rock? Describe the mode of formation of sedimentary rock. -Geography

Description : What is meant by sedimentary rock? Describe the mode of formation of sedimentary rock. -Geography

Last Answer : The word ‘sedimentary’ is derived from the Latin word sedimentum, which means settling. All types of rocks of the earth’s surface are exposed to denudational agents, and are broken ... we see a number of layers of varying thickness in sedimentary rocks like sandstone, shale etc.

What is an igneous rock? Describe the method of formation and characteristics of igneous rock. -Geography

Description : What is an igneous rock? Describe the method of formation and characteristics of igneous rock. -Geography

Last Answer : The igneous rocks are formed when magma cools and solidifies. Igneous rocks form out of magma and lava from the interior of the earth, therefore, they are known as primary rocks. Method of ... solidified lava. Liquid lava gets solidified by gradual cooling They are compact They do not have fossils.

Rock Cycle explain -Geography

Description : Rock Cycle explain -Geography

Last Answer : Igneous rocks change into sedimentary rocks, igneous and sedimentary rocks under heat and pressure change into metamorphic rocks, metamorphic rocks into igneous rocks or sedimentary rocks due to melting or wearing down. This process is called the rock cycle.

What keeps the continents floating on a sea of molten rock? -Geography

Description : What keeps the continents floating on a sea of molten rock? -Geography

Last Answer : answer:

Did the advent of mapping satellites have any tremendous impacts on the depiction of geography?

Description : Did the advent of mapping satellites have any tremendous impacts on the depiction of geography?

Last Answer : Not geography related, but check this out: http://www.msnbc.msn.com/id/43164447/ns/technology_and_science-science/

What are some good resources for studying the role of climate and geography in the development of civilizations?

Description : What are some good resources for studying the role of climate and geography in the development of civilizations?

Last Answer : Any AP World History text because that is one of the themes discussed. I like Traditions and Encounters” by Bentley & Ziegler. You might want to buy it used or borrow it because new it’s about $250. But here’s a hint: waterways and trade routes.

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Description : Name the different types of environmental pollution. -Geography

Last Answer : The different types of environmental pollution are:- 1. Air pollution 2. Water pollution 3. Soil pollution 4. Noise pollution.

What are the measures to control water pollution? -Geography

Description : What are the measures to control water pollution? -Geography

Last Answer : 1. Industrial effluents must be treated. 2. Drinking water sources must be kept clean. 3. Sewage treatment plants, disposal of waste on the water bodies must be controlled.

What is Bio-diversity? -Geography

Description : What is Bio-diversity? -Geography

Last Answer : The variety of flora (plants) and fauna (animals) in a region is known as biodiversity. Define The Following: 1. Biosphere : Biosphere is the part of the earth where life exists. 2 ... 6. Acid rain : Acid rain contains high amounts of acids particularly sulphuric acid and carbon monoxide.

The only living planet in our solar system is ____ -Geography

Description : The only living planet in our solar system is ____ -Geography

Last Answer : Correct Answer is: (a) Earth

What is environment? -Geography

Description : What is environment? -Geography

Last Answer : Environment is the surroundings where and organism, a community or an object exists.

What is environmental pollution? -Geography

Description : What is environmental pollution? -Geography

Last Answer : Environmental pollution is the unfavorable alteration of . our surrounding, wholly or partly by human action through direct and indirect effects.

What are the important air pollutants? -Geography

Description : What are the important air pollutants? -Geography

Last Answer : The important air pollutants are carbon dioxide, carbon monoxide, sulphur dioxide, nitrogen oxide, chloroflaoro carbons, hydro carbons etc.

What are the measures to control air pollution? -Geography

Description : What are the measures to control air pollution? -Geography

Last Answer : 1. Control of gaseous pollutants. 2. Contrpl of emission from automobiles. 3. Planting more trees. 4. Use of non-conventional energy sources. 5. Awareness programme, legal control literacy and education.

What tis water pollution? -Geography

Description : What tis water pollution? -Geography

Last Answer : Water pollution is alteration in physical, chemical and biological characteristics of water which may have harmful effects on human and aquatic life.

What are the important sources of water pollution? -Geography

Description : What are the important sources of water pollution? -Geography

Last Answer : The important sources of water pollution are : Natural: Soil erosion, landslides, volcanic eruption, decay and decomposition of plants and animals etc.. Man made: Industrial effluents, urban waste, domestic waste, agricultural waste, thermal waste, oil spill, nuclear waste etc.

Name the different kinds of water pollution. -Geography

Description : Name the different kinds of water pollution. -Geography

Last Answer : Water pollution is of different types. 1. Sea or ocean water pollution 2. Ground water pollution 3. River water pollution 4. Lake pollution. Etc.

What is soil pollution? -Geography

Description : What is soil pollution? -Geography

Last Answer : Soil pollution is decrease in the quality of soils either due to human sources or natural sources by both.

What are the results of soil pollution? -Geography

Description : What are the results of soil pollution? -Geography

Last Answer : It results in the increase of soil erosion, lack of humus, decrease in soil microorganisms, plant nutrients etc.

What are the sources of soil pollution? -Geography

Description : What are the sources of soil pollution? -Geography

Last Answer : Sources of soil pollution, industrial and mining waste. Domestic and urban waste, agricultural waste, nuclear waste etc.

What are the effects of soil pollutants? -Geography

Description : What are the effects of soil pollutants? -Geography

Last Answer : The effects of soil pollutants are it decreases the fertility of the soil, converts the region into wasteland, destroys the micro organisms in the soil etc.

What is noise pollution? -Geography

Description : What is noise pollution? -Geography

Last Answer : Noise pollution is any undesirable sound dumped into the atmosphere leading to health hazards.

What are the important sources of noise pollution? -Geography

Description : What are the important sources of noise pollution? -Geography

Last Answer : The important sources of noise pollution are : Natural: Thunder, cyclones, lightning, heavy rainfall, hailstorms, water falls, ocean waves. Man-made: Industrial noise, automobiles, air crafts, domestic noise, mining etc.

What are the effects of noise pollution? -Geography

Description : What are the effects of noise pollution? -Geography

Last Answer : The noise pollution causes temporary or permanent hearing problem, headaches, restlessness,, cardio vascular diseases, physical disorder, behavioural changes, lack of concentration, etc.

What are the various methods of soil conservation? -Geography

Description : What are the various methods of soil conservation? -Geography

Last Answer : Many different Methods of soil conservation: 1. Contour Plowing - Originating in ancient Phoenicia, Contour Plowing involves plowing grooves into the desired farmland, then planting the crop ... of nitrogen fertilizer and fungicides can increase yields and protect crops from drought and flooding.

What are the measures to control noise pollution? -Geography

Description : What are the measures to control noise pollution? -Geography

Last Answer : 1. Industries must be located away from the residential areas. 2. Construction of sound proof walls in the factories. 3. Restricting unnecessary use of sirens, horns and loud speakers. 4. ... 5. Protective instruments the workers in the industries. 6. Noise producing vehicles must be checked.

Why is North America called ‘Land of Prairies’? -Geography

Description : Why is North America called ‘Land of Prairies’? -Geography

Last Answer : The central plains of North America are also known as the great plains or the prairies. The plain consists of vast expanse, almost 3/5 of the total area of North America of flat to gently rolling ... tributaries. This is one of the most fertile plains of the world and is a good farming region.

Make a list of important countries of North America. -Geography

Description : Make a list of important countries of North America. -Geography

Last Answer : There are 24 countries in North America. Canada, United States of America and Mexico are three large countries by their size.

Mention the location and extent of North America -Geography

Description : Mention the location and extent of North America -Geography

Last Answer : North America is located entirely to the North of the equator. It lies within 7°N to 84°N latitudes. The Tropic of Cancer passes through Mexico and the Arctic circle through the northern part of Canada ... by the Isthmus of Panama. It is separated from the continent of Asia by the Berring Strait.

How are the Grand Canyon of North America formed? -Geography

Description : How are the Grand Canyon of North America formed? -Geography

Last Answer : The Colorado river drains into Colorado Plateau and forms the Grand Canyon.

Name the important plants of animals of North America. -Geography

Description : Name the important plants of animals of North America. -Geography

Last Answer : North America has a wide variety of natural vegetation and wildlife. 1. The Tundra Mosses and Lichens are found here. Some stunted flowering plants grow in summer. Animals like Arctic fox, ... Animals like the desert fox, lizards, rattle snakes and various kinds of insects are found here.

Make a list of important rivers of North America. -Geography

Description : Make a list of important rivers of North America. -Geography

Last Answer : The Mississippi and Missouri are the great rivers of North America. The other rivers are Ohio, Tennessee Arkansas, Rio Grande, Yukon, Red, Colorado, Columbia, Peace, Snake and St. Lawrence etc.,

Who is called ‘Lumber Jacks’ in North America? -Geography

Description : Who is called ‘Lumber Jacks’ in North America? -Geography

Last Answer : Lumbering is a highly organized job in North America People engaged in lumbering in Canada are known as ‘Lumber Jacks’.

Mention the important races and their languages formed in North America. -Geography

Description : Mention the important races and their languages formed in North America. -Geography

Last Answer : 1. Most of the North Americans are descendants of Europeans or American Indians and Africans. There are also some native or indigenous people. 2. Most of them speak Spanish, English, French or American Indian Languages.

Which is the largest island in the Arctic Ocean? -Geography

Description : Which is the largest island in the Arctic Ocean? -Geography

Last Answer : Green land is the largest island in the Arctic Ocean.

Which is the highest peak in the Rockies? -Geography

Description : Which is the highest peak in the Rockies? -Geography

Last Answer : Mt. Mckinley (6194 m) is the highest peak in the Rockies.

Name the local wind which causes damage to American and Canadian Prairies. -Geography

Description : Name the local wind which causes damage to American and Canadian Prairies. -Geography

Last Answer : The dust bowl or the dirty thirties is a local dust storm which causes loss of crops.

Name any two intermountain plateaus found in North America. -Geography

Description : Name any two intermountain plateaus found in North America. -Geography

Last Answer : Plateau of Colorado, Plateau of Columbia and Mexican Plateau.

Which is the world famous geyser found in the yellow stone national park of USA? -Geography

Description : Which is the world famous geyser found in the yellow stone national park of USA? -Geography

Last Answer : The Old Faithful Geyser.

Name the two east flowing rivers of North America. -Geography

Description : Name the two east flowing rivers of North America. -Geography

Last Answer : River Frazer and River Columbia are the east flowing rivers of North America.

What is called the ‘Natural wonder of the World’? -Geography

Description : What is called the ‘Natural wonder of the World’? -Geography

Last Answer : The Grand Canyon is called the ‘Natural wonder of the World’.

Name the important lakes of the Canadian Shield. -Geography

Description : Name the important lakes of the Canadian Shield. -Geography

Last Answer : Huron, Ontario, Michigan, Erie and Superior are the important lakes.

Name two important cash crops of North America. -Geography

Description : Name two important cash crops of North America. -Geography

Last Answer : Cotton and tobacco are the two important cash crops of North America.

Name two plantation crops grown in the Central America and West Indies -Geography

Description : Name two plantation crops grown in the Central America and West Indies -Geography

Last Answer : Coffee and Cocoa.

Where is gold mined in North America? -Geography

Description : Where is gold mined in North America? -Geography

Last Answer : California and Yukon valleys are important areas of gold mines.