Why does ice form on the top of a lake? -Geography

Last Answer : 70% 96.5% of the total volume of the earth consists of water out of which 2.5% is fresh water. Out of the 2.5% of the total freshwater present on the earth, 70% of the fresh ... in glaciers and ice sheets in Antarctica, Greenland and mountainous regions. Less than 30% is stored as groundwater.

The temperature of the top of a frozen lake is – 15°C. What is the temperature of the water in the lake in contact with the ice layer? (a) 0°C (b) 4°C (c) –15°C (d) –7.5°C

Description : The temperature of the top of a frozen lake is – 15°C. What is the temperature of the water in the lake in contact with the ice layer? (a) 0°C (b) 4°C (c) –15°C (d) –7.5°C

Last Answer : Ans:(a)

An ice skater is spinning like a top on a frozen lake. She raises her arms from their initial horizontal position to a vertical position over her head. The skater will experience an increase in angular velocity due to what physical law?

Description : An ice skater is spinning like a top on a frozen lake. She raises her arms from their initial horizontal position to a vertical position over her head. The skater will experience an increase in angular velocity due to what physical law?

Last Answer : ANSWER: LAW OF CONSERVATION OF ANGULAR MOMENTUM

What is that lake in italy?

Description : What is that lake in italy?

Last Answer : Como?

Where is the Loktak Lake situated? A. Kerala B. Uttaranchal C. Manipur D. Rajasthan

Description : Where is the Loktak Lake situated? A. Kerala B. Uttaranchal C. Manipur D. Rajasthan

Last Answer : C. Manipur

When lake starts freezing the formation of the ice will start first at which point? -Do You Know?

Description : When lake starts freezing the formation of the ice will start first at which point? -Do You Know?

Last Answer : This process continues until all the water in the lake is at 4° C, when the density of water is at its maximum. With further cooling (and without mechanical mixing) a stable, lighter layer of water forms ... As this layer cools to its freezing point, ice begins to form on the surface of the lake."

Wular lake of Kashmir is a : [IAS 2003] (a) Ox- bow lake (b) Lake formed by blocking of ice (c) Lake formed by terminal morainic dam (d) Lake formed by deposition of silt

Description : Wular lake of Kashmir is a : [IAS 2003] (a) Ox- bow lake (b) Lake formed by blocking of ice (c) Lake formed by terminal morainic dam (d) Lake formed by deposition of silt

Last Answer : Ans: (c)

Fish can survive inside a frozen lake because (a) fish are warm blooded animals (b) fish hibernate in ice (c) water near the bottom does not freeze (d) ice is a good conductor of heat

Description : Fish can survive inside a frozen lake because (a) fish are warm blooded animals (b) fish hibernate in ice (c) water near the bottom does not freeze (d) ice is a good conductor of heat

Last Answer : Ans:(c)

When lake starts freezing the formation of the ice will start first at which point?

Description : When lake starts freezing the formation of the ice will start first at which point?

Last Answer : Top

In which two ways are tube-wells better than ordinary wells as a form of irrigation ? -Geography

Description : In which two ways are tube-wells better than ordinary wells as a form of irrigation ? -Geography

Last Answer : Tube Well 1. It generally irrigates 2 hectares of land per day. 2. Tube-wells can bring up water or irrigate land quickly with the help of machines. Ordinary Well 1. It irrigates 0 – 2 hec tares of land per day. 2. Wells take longer time to irrigate the same area.

Name the two streams which unite at Devaprayag to form into river Ganga. -Geography

Description : Name the two streams which unite at Devaprayag to form into river Ganga. -Geography

Last Answer : The two streams that unite at Devaprayag to form into the river Ganga are Alaknanda and Bhagirathi.

(i) Mention two ways in which tube-vsells are better than ordinary wells as a form of irrigation. -Geography

Description : (i) Mention two ways in which tube-vsells are better than ordinary wells as a form of irrigation. -Geography

Last Answer : (i) Tube wells are better form of irrigation than the ordinary wells because : 1. It is capable of irrigating more area, about 2 hectares per day while ordinary wells irrigate 0.2 hectares ... (ii) The two alternative methods of irrigation are: 1. Sprinkler irrigation. 2. Trickle-drip irrigation.

(i) Name the sea, the sediments of which now form the Himalayas. -Geography

Description : (i) Name the sea, the sediments of which now form the Himalayas. -Geography

Last Answer : (i) Tethys (ii) In the Mesozoic Era (about 70 million . years ago). (iii) 1. The break up of Gondawana landmass. 2. The uplift of the himalayas out of the Tethys sea

Despite tank irrigation being a simple form of irrigation, it is not used by all farmers. Explain why. -Geography

Description : Despite tank irrigation being a simple form of irrigation, it is not used by all farmers. Explain why. -Geography

Last Answer : Tank irrigation is not used by all farmers because: Only limited area can be irrigated. Most tanks dry up in the dry season when water is most needed. Tanks cover large ... other sources of irrigation have been adopted and the dry beds of the tanks have been reclaimed for agriculture.

What was the main aim to form GATT by some countries of the world? -Geography

Description : What was the main aim to form GATT by some countries of the world? -Geography

Last Answer : GATT was formed by some countries in 1994 as permanent institution for looking after the promotion of free and fair trade amongst nations.

Which states form an important destination for foreign tourist in India? -Geography

Description : Which states form an important destination for foreign tourist in India? -Geography

Last Answer : Some of the important states that from an important destination in India are: a) Delhi b) Rajasthan c) Kerala d) Gujrat e) Assam They are most famous for historical monuments, forts, mountains, rivers, etc.

Give the full form of CPWD. -Geography

Description : Give the full form of CPWD. -Geography

Last Answer : Central Public Works Department (CPWD) laid down the primary road systems and also maintains it. National Highways connects extreme parts of the country. Many major national highways run in North-South and ... example - Sher Shah Suri Marg is the National Highway No. 1 between Delhi and Amritsar.

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.

Was geography an easy subject for you?

Description : Was geography an easy subject for you?

Last Answer : Not so great.

How is your geography knowledge? Were you taught it in school?

Description : How is your geography knowledge? Were you taught it in school?

Last Answer : i know i’m here and you’re there. i do alright.

Name the different types of environmental pollution. -Geography

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.,

Why does ice form on the top of a lake? -Geography

Please log in or register to add a comment.

Please log in or register to answer this question.

1 Answer

Answer :

Please log in or register to add a comment.

Related questions