How did earth develop its different layers? -Geography

How did earth develop its different layers? -Geography
by

1 Answer

Answer :

During the formation of the moon, due to the giant impact, the earth was further heated up. It is through the process of differentiation that the earth forming material got separated into different layers. Starting from the surface to the central parts, we have layers like the crust, mantle, outer core and inner core. From the crust to the core, the density of the material increases.
by

Related questions

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

With reference to the linear rural settlement pattern, answer the following: (i) How does this pattern develop ? -Geography

Description : With reference to the linear rural settlement pattern, answer the following: (i) How does this pattern develop ? -Geography

Last Answer : (i) Linear rural settlements develop along a stream, inhabited by different tribal groups or the fishing villages in the coastal areas. (ii) Manipur, Balaghat in M.P., Raigarh district in Chhattisgarh.

Discuss any two factors which have influenced Ahmedabad to develop as the largest centre of cotton textile industry in Gujarat. -Geography

Description : Discuss any two factors which have influenced Ahmedabad to develop as the largest centre of cotton textile industry in Gujarat. -Geography

Last Answer : Ahmedabad is the largest centre of cotton textile in Gujarat and the second-largest centre after Mumbai. 1. Ahmedabad lies near the main cotton-growing region of India and there is no problem of ... Even the mills produce cheap cloth. This cloth finds ready market amongst the poor masses of India.

List three measures undertaken by the government to conserve and develop forestry in India. -Geography

Description : List three measures undertaken by the government to conserve and develop forestry in India. -Geography

Last Answer : The measures undertaken by the Govt, to conserve and develop forestry in India are : 1. The Govt, has allocated funds in the Five Years Plans to enhance forest conservation ... of infrastructure, protection and conservation of sacred groves and conservation and restoration of unique vegetation.

With reference to the circular rural settlement pattern, answer the following: (i) How does this pattern develop ? -Geography

Description : With reference to the circular rural settlement pattern, answer the following: (i) How does this pattern develop ? -Geography

Last Answer : (i) When the houses are constructed along the banks of a pond, tank or a lake, the settlement takes the shape of a circle. People prefer to build houses near the source of water. In this pattern ... 1. The upper Ganga-Yamuna Doab region. 2. In the parts of Madhya Pradesh, Gujarat and Maharashtra.

How did man develop and expand proper technology? -Geography

Description : How did man develop and expand proper technology? -Geography

Last Answer : Human beings were able to develop proper technology using his knowledge and intelligence. It has taken man a long time to reach at the present level of technology. In primitive age when the level ... within the limits which do not damage the environment and there is no free run without accidents.

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

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

Last Answer : Nebular Hypothesis: It was given by Laplace. Collision Hypothesis: It was given by Sir James and Harold Jeffrey. Accretion Hypothesis: It was given by Schmidt and Carl Weizascar. The Big Bang Theory: It was given by Edwin Hubble.

What is fresh water? What is its availability on the earth? -Geography

Description : What is fresh water? What is its availability on the earth? -Geography

Last Answer : 2.5% Fresh water is the water that can be used by living beings such as water for drinking, irrigation etc. Three-fourth of the world is covered with water.2.5 % of the total water available on the earth's surface is fresh water which can be used by living beings.

map is not an accurate presentation of the earth justify -Geography

Description : map is not an accurate presentation of the earth justify -Geography

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

Last Answer : From 3rd to the 14th of June in the year 1992, Rio de Janeiro hosted the United Nations Conference on Environment and Development to discuss the state of the global environment. It concluded ... acidic. It occurs in Sunderbans of West Bengal, coastal regions of Tamil Nadu, Bihar and Uttrakhand.

the energy with in the earth is generated due to -Geography

Description : the energy with in the earth is generated due to -Geography

Last Answer : Most of the energy in the Earth system comes from just a few sources: solar energy, gravity, radioactive decay, and the rotation of the Earth. Solar energy drives many surface processes such as winds, currents, the hydrologic cycle, and the overall climate system.

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

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

Last Answer : Most of our information about earth's interior has come from seismic studies. Seismic waves produced during an earthquake are recorded by a seismograph when these waves reach the surface of the earth. There are two types of seismic waves- body waves and surface waves

How’ was the layered structure of the earth developed? -Geography

Description : How’ was the layered structure of the earth developed? -Geography

Last Answer : The planet earth initially was a barren, rocky arid 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 ... It is through the process of differentiation that the earth forming material got separated into different layers.

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

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

Last Answer : Collision hypothesis and accretion hypothesis are described below in short. 1. Collision Hypothesis: It was given by Sir James and Harold Jeffrey. According to this theory, a large nebula 'wandering ... rocky inner planets like Mercury, Venus, Earth and Mars and the remaining were outer planets.

Explain the modern theory associated with evolution of the earth. -Geography

Description : Explain the modern theory associated with evolution of the earth. -Geography

Last Answer : In modern theory the evolution of the earth is associated with Big Bang Theory. It was put forth by Edwin Hubble in 1920. In the beginning, all matter forming the universe ... becoming available about the expanding universe, scientific community at present favours argument of expanding universe.

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

Last Answer : A large number of hypotheses were put forth by different philosophers and scientists regarding the origin of the earth. One of the earlier and popular arguments was by German philosopher Immanuel Kant ... formation of a disk-shaped cloud and the planets were formed through the process of accretion.

Explain how did life evolve on the earth? -Geography

Description : Explain how did life evolve on the earth? -Geography

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.

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 was the nature of the earth surface initially? -Geography

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

Last 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 ... earth to a beautiful planet with ample amount of water and conducive atmosphere favouring the existence of life.

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

Last Answer : Our earth is made up of several concentric layers with one inside another. These layers are three in number-crust, mantle smd core. Crust. It is the uppermost layer over the earth's surface. It is ... ni-nickel and fe-ferrous, Le., iron). The central core has a very high temperature and pressure.

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 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. :)

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.

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.

Which are the different types of maps? -Geography

Description : Which are the different types of maps? -Geography

Last Answer : Classification of Maps: A) Based on scale Large scale maps Small scale maps B) Based on purpose Physical maps Political maps Distribution naps

(i) How are roads classified in India ? (ii) Mention the different types of roads classified in India. -Geography

Description : (i) How are roads classified in India ? (ii) Mention the different types of roads classified in India. -Geography

Last Answer : (i) Roads in India are classified on the basis of their importance, maintenance and administration. (ii) 1. National Highways 2. State Highways 3. District Roadways 4. Village Roads 5. Border Roads

How is multi-level planning different from single level planning. -Geography

Description : How is multi-level planning different from single level planning. -Geography

Last Answer : Multi-Level Planning Single Level Planning 1. Multi-level planning is the planning at different levels like village, block, district, state, and nation. The multi-level planning may be ... different parts of the country. Lower territorial levels come into picture only at the implementation stage.

Mention two different ways by which modern methods of irrigation are an improvement over the primitive methods. -Geography

Description : Mention two different ways by which modern methods of irrigation are an improvement over the primitive methods. -Geography

Last Answer : Modern methods of irrigation are an improvement over the primitive methods. The following two points will highlight the same : 1. They are perennial and provide regular irrigation. 2. They are easier to operate.

Different between soil erosion and soil conservatiom -Geography

Description : Different between soil erosion and soil conservatiom -Geography

Last Answer : * Soil erosion is the process by which soil is worn away. Wind, water, heat, cold and gravity causes soil erosion. * soil conservation means conserving the soil. * Conservation is to save and erosion is natural effects causing it be break down and go away or move to a different location.

How is the winter rainfall of the northwest part of India different from the winter rainfall of the southeast part of India? -Geography

Description : How is the winter rainfall of the northwest part of India different from the winter rainfall of the southeast part of India? -Geography

Last Answer : Winter rainfall in Northwest part Winter rainfall in Southeast part 1. The rainfall is caused by Western disturbances. 1. The rainfall is caused due to retreating monsoons. 2. The cyclones originate ... Delhi etc. 3. These cause rainfall in Tamil Nadu and adjoining parts of South Andhra Pradesh.

Mention the different sources of rain in Punjab and Tamil Nadu during the winter season. -Geography

Description : Mention the different sources of rain in Punjab and Tamil Nadu during the winter season. -Geography

Last Answer : (i) Sources of rain in Punjab are temperate cyclones or western disturbances. (ii) Sources of rain in Tamil Nadu are North east monsoon winds.

Give a geographical reason for : (i) different regions in India having different kinds of soil. -Geography

Description : Give a geographical reason for : (i) different regions in India having different kinds of soil. -Geography

Last Answer : Geographical reasons : (i) Different regions in India having different kinds of soil because different regions have different parent material and climatic conditions. (ii) Black soil is suitable for ... alumina humus etc. (iii) Afforestation or planting of tress saves the soil from erosion.

Give a geographical reason for : (i) different regions in India having different kinds of soil. -Geography

Description : Give a geographical reason for : (i) different regions in India having different kinds of soil. -Geography

Last Answer : Geographical reasons : (i) Different regions in India having different kinds of soil because different regions have different parent material and climatic conditions. (ii) Black soil is suitable for ... alumina humus etc. (iii) Afforestation or planting of tress saves the soil from erosion.

Which of the different varieties of coal is used for domestic purposes and why ? -Geography

Description : Which of the different varieties of coal is used for domestic purposes and why ? -Geography

Last Answer : Anthracite and bituminous variety are used for domestic purpose because it has high calorific value and leaves less ash.

Name the different types of iron ore found in India. Which is the best quality iron ore ? -Geography

Description : Name the different types of iron ore found in India. Which is the best quality iron ore ? -Geography

Last Answer : Different types of iron ore found in India are: (i) Hematite (ii) Magnetite (iii) Limonite Magnetite is the best quality of iron as it contains more than 70% of iron.

(a) (i) Name the different types of iron ore found in India. -Geography

Description : (a) (i) Name the different types of iron ore found in India. -Geography

Last Answer : (a) (i) Different types of iron ore found in India are: 1. Anthracite 2. Bituminous 3. Lignite 4. Peat (b) An important coal producing state is Jharkhand. Coalmine—Bokaro (c) Answer has not given due to out of present syllabus. (d) Two uses of Limestone: Cement and Iron and Steel.

How are rural settlements different from the urban settlements in India? Explain. -Geography

Description : How are rural settlements different from the urban settlements in India? Explain. -Geography

Last Answer : (i) The rural settlements derive their life support from land based primary economic activity whereas urban settlements depend on secondary and tertiary sectors. (ii) Urban settlements act as nodes ... are intimate whereas in urban areas, life is complex and fast and social relations are formal.

Describe any three characteristics of dairy farming practised in different parts of the world. -Geography

Description : Describe any three characteristics of dairy farming practised in different parts of the world. -Geography

Last Answer : Main characteristics of Dairy farming: (i) It is highly capital intensive, Animal sheds, storage facilities for fodder, feeding and milching machines add to the cost of dairy farming. (ii) Special ... in the case of crop raising. (iv) It is practised mainly near urban and industrial centres.

Describe any five characteristics of commercial livestock rearing practised in different parts of the world. -Geography

Description : Describe any five characteristics of commercial livestock rearing practised in different parts of the world. -Geography

Last Answer : Commercial Livestock Rearing: (i) Commercial livestock rearing is more organised and capital intensive. (ii) Commercial livestock ranching is essentially associated with western cultures and is ... different world markets. Rearing of animals in ranching is organised on a scientific basis.

Write down different methods of checking soil erosion. -Geography

Description : Write down different methods of checking soil erosion. -Geography

Last Answer : Different methods to check soil erosion are: (i) Control overgrazing by livestock- Cattle, sheep, goats and other livestock tear up roots from the soil and ruining the texture and leave the land ... ploughing the land along the contour line to protects the soil from surface run-off by water.

How is red soil different from laterite soil? -Geography

Description : How is red soil different from laterite soil? -Geography

Last Answer : Red soil Laterite soil (i) The rocks that lead to the formation of red soil are granites, gneisses and quartzite. (i) They are formed by weathering of rocks. (ii) Rich in potash and potassium ... . (iv) It is suitable for growing tea,coffee, coconut, rubber with manure and proper irrigation.

State the different causes of soil erosion pertaining to the following region and suggest remedial measures for the same. -Geography

Description : State the different causes of soil erosion pertaining to the following region and suggest remedial measures for the same. -Geography

Last Answer : (a) mountainous regions Cause: Lack of trees lead to loosening of soil which gets washed away due to rainfall and wind Remedy: Afforestation (b) Steep slopes and plateaus Cause: Lack of ... Remedy: Prevent urbanisation very close to river bodies, prevent dumping of wastes into the river bodies.

Describe different idea put forward for Sustainable development. -Geography

Description : Describe different idea put forward for Sustainable development. -Geography

Last Answer : Sustainable development is a development that meets the needs of the present without compromising the ability of future generations to meet their own needs. The different ideas of sustainable ... non-biodegradable materials to reduce waste and filter it before releasing it into the environment.

How are rainwater systems prevalent in India with different names and methods? -Geography

Description : How are rainwater systems prevalent in India with different names and methods? -Geography

Last Answer : There are traditional rainwater harvesting systems followed in India. They are: 1) In mountainous regions, the technique named as kul' and gul is used where the diversion channels are built. 2) ... rooftop technique is used even today in urban areas to conserve rain water and use it when needed.

Compare the different pattern of development of jute and cotton industry. -Geography

Description : Compare the different pattern of development of jute and cotton industry. -Geography

Last Answer : The developments in the jute industry: 1. In 2005 the National Jute policy was formulated to Increase productivity of jute and increase the quality of the produced Jute. 2. The government made the jute ... it. 3. As steel products are needed in every other sector too, its demand has increased.

How are integrated steel plant different from mini steel plants? What problem does the industry face? -Geography

Description : How are integrated steel plant different from mini steel plants? What problem does the industry face? -Geography

Last Answer : Manganese is mainly used in the manufacturing of Steel. The Iron and steel industries are the basic industry as rest all other industries are dependent on them. Steel is used in the manufacturing of goods, ... it. 3. As steel products are needed in every other sector too, its demand has increased.

Why is different water harvesting systems adopted in ancient India? -Geography

Description : Why is different water harvesting systems adopted in ancient India? -Geography

Last Answer : Rainwater harvesting itself means storage of the rainwater for future use. This storage of water can be used for a variety of purposes. Even the process of recharging of the groundwater is done ... . This installing of the rooftop was for the rainwater harvesting system to meet their water needs.

Name the different types of pollution which lead to the degradation of the environment. -Geography

Description : Name the different types of pollution which lead to the degradation of the environment. -Geography

Last Answer : Even though there are various causes that are leading to the degradation of the environment but the increase in pollution cannot be ignored. Moreover, the development of the industries is ... saws, pneumatic, and electric drills. All this pollution affects the environment in various ways.