What was the nature of the earth surface initially? -Geography

What was the nature of the earth surface initially? -Geography
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Answer :

The planet earth initially was a barren, rocky and hot object with a thin atmosphere of hydrogen and helium. This is far from the present day picture of the earth. It is said that in initial stage the earth was in liquid form. Certainly, there must have been some events- processes, which may have caused this change from rocky, barren and hot earth to a beautiful planet with ample amount of water and conducive atmosphere favouring the existence of life.
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Last Answer : The fact that maps distort reality cannot be denied. It is absolutely impossible to depict a round earth on a flat surface without sacrificing at least some accuracy. In fact, a map can only be ... how our earth looks like by the globe. So these are more accurate and maps are less accurate.

Imagine yourself as one of the heads of states attending the international Earth summits at Rio de Janeiro, -Geography

Description : Imagine yourself as one of the heads of states attending the international Earth summits at Rio de Janeiro, -Geography

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Description : Name the direct sources of information about the interior of the earth. -Geography

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Description : Explain the collision and accretion I hypothesis associated with the evolution of the earth. -Geography

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Explain the earliest theory associated with the origin of the earth. -Geography

Description : Explain the earliest theory associated with the origin of the earth. -Geography

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Explain how did life evolve on the earth? -Geography

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Last Answer : The origin of life as a kind of chemical reaction, which first generated complex organic molecules and assembled them. This assemblage was such that they could duplicate themselves converting inanimate matter ... years. It can be assumed that life began to evolve sometime 3,800 million years ago.

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Description : How did earth develop its different layers? -Geography

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Description : Name different hypothesis associated with the formation of the earth. -Geography

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List the stages in the evolution of the earth and explain each stage in brief. -Geography

Description : List the stages in the evolution of the earth and explain each stage in brief. -Geography

Last Answer : The earth was mostly in a volatile state during its primordial stage. Due to gradual increase in density the temperature inside has increased. As a result the material inside started getting separated ... years. It can be assumed that life began to evolve sometime 3,800 million years ago,

What is the basic difference in the arguments related to the origin of the earth given by (a) Kant and Laplace (b) Chamberlain and Moulton. -Geography

Description : What is the basic difference in the arguments related to the origin of the earth given by (a) Kant and Laplace (b) Chamberlain and Moulton. -Geography

Last Answer : Kant and Laplace’s Principle: The hypothesis considered that the planets were formed out of a cloud of material associated with a youthful sun, which was slowly rotating. According to this ... of a companion to the sun to have been coexisting. These arguments are called binary theories.

What do you know about the interior of the earth? [V. Imp.] -Geography

Description : What do you know about the interior of the earth? [V. Imp.] -Geography

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What is called the uppermost layer of the earth? [Imp.] -Geography

Description : What is called the uppermost layer of the earth? [Imp.] -Geography

Last Answer : It is called the crust.

We cannot go to the centre of the earth. -Geography

Description : We cannot go to the centre of the earth. -Geography

Last Answer : We cannot go to the centre of the earth because of the following reasons: The thickness (from crust to the core) is 6371 km. (Radius of the earth). Temperature increases with depth @ 1°C per ... heat and pressure of overlying rocks, everything is in a molten state. There is no oxygen to survive.

What are the three layers of the earth? -Geography

Description : What are the three layers of the earth? -Geography

Last Answer : Three Layers of the Earth Crust Mantle Core

what is the core made up of in the earth ? -Geography

Description : what is the core made up of in the earth ? -Geography

Last Answer : The core of the Earth is made almost entirely of metals like iron and nickel. :)

A long iron rod initially at a temperature of 20°C has one end dipped in boiling water (100°C) at time, t = 0. The curved surface of the rod is insulated so that heat conduction is one dimensional in the axial direction. The temperature at a distance 100 mm from the dipped end becomes 40°C at time, t = 200 s. The same temperature is achieved at a distance of 200 mm from the dipped end at time (A) t = 283 s (B) t = 356 s (C) t = 400 s (D) t = 800 s

Description : A long iron rod initially at a temperature of 20°C has one end dipped in boiling water (100°C) at time, t = 0. The curved surface of the rod is insulated so that heat conduction is one dimensional in the axial direction. The ... = 283 s (B) t = 356 s (C) t = 400 s (D) t = 800 s

Last Answer : (D) t = 800 s

Examine the interdependent relationship among nature ,technology and institutions in the economic development. [ in the resource transformation]

Description : Examine the interdependent relationship among nature ,technology and institutions in the economic development. [ in the resource transformation]

Last Answer : a) Human beings interact with nature through technology and create institutions to accelerate economic development. b) They transform material available in our environment in to resources by using technology and use them.

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.