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

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

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.

Name the experts who modified nebular hypothesis. -Geography

Description : Name the experts who modified nebular hypothesis. -Geography

Last Answer : In 1950, Otto Schmidt in Russia and Carl Weizascar in Germany revised the ‘nebular hypothesis’, though differing in details. They considered that the sun was surrounded by solar nebula containing ... the problems of origin of universe rather than that of just the earth or the planets.

Which hypothesis was given by Hoyle? -Geography

Description : Which hypothesis was given by Hoyle? -Geography

Last Answer : Hoyle gave concept of steady .state. It considered the universe to be roughly the same at any point of time. However, with greater evidence becoming available about the expanding universe, scientific community at present favours argument of expanding universe.

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 the formation of Himalayas with reference to the theory of Plate Tectonics. -Geography

Description : Explain the formation of Himalayas with reference to the theory of Plate Tectonics. -Geography

Last Answer : According to the plate tectonic theory, the Himalayan ranges were formed when the Indian plate was driven northwards and pushed beneath the Eurasian plate. With the advance of the Indian plate towards ... into thrust edges. About 20 to 30 million years ago, the Himalayan ranges started emerging.

Briefly explain the geological formation of the Peninsular Plateau. -Geography

Description : Briefly explain the geological formation of the Peninsular Plateau. -Geography

Last Answer : During the Pre-Cambrian era, there was a large depression in which the sediment was deposited and a block of crystal rocks known as the Peninsular Plateau came out and never submerged again. It is ... , striking the Central Asiatic plate raised up to form the high Himalayas out of the Tethys Sea.

Name the process by which laterite soil is formed. What climatic conditions are responsible for its formation ? -Geography

Description : Name the process by which laterite soil is formed. What climatic conditions are responsible for its formation ? -Geography

Last Answer : Laterite soils are formed by Leaching'. Leaching is a process in which the nutrients of the soil get percolated down below the soil due to heavy rainfall, leaving behind the top soil ... climatic condition responsible for it is high temperature and heavy rainfall with alternate dry and wet period.

Explain the formation of Laterite soil. Why is Laterite soil not suitable for cultivation ? -Geography

Description : Explain the formation of Laterite soil. Why is Laterite soil not suitable for cultivation ? -Geography

Last Answer : Laterite Soil is formed by leaching in the regions of alternate wet and dry spells. Disadvantage—It is acidic is nature and cannot retain moisture.

Which are the types of coal formation based n their geological ages? Where are they found in India? -Geography

Description : Which are the types of coal formation based n their geological ages? Where are they found in India? -Geography

Last Answer : Coal is an extremely important energy resource. It has been formed from the compression of plant materials over thousands of years. Coal deposits in India are of two distinct geological ages. The ... according to geological type in India. Coalfields are present in almost all the states of India.

How does systematic formation of minerals take place? -Geography

Description : How does systematic formation of minerals take place? -Geography

Last Answer : The basic source of all minerals is the hot magma in the interior of the earth. When magma cools, crystals of minerals appear and a systematic series of minerals are formed in sequence to solidify so as to form 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.

What role did carbon dioxide pipy in the formation of oceans? -Geography

Description : What role did carbon dioxide pipy in the formation of oceans? -Geography

Last Answer : The carbon dioxide in the atmosphere got dissolved in rainwater and the temperature further decreased causing more condensation and more rains. The rainwater falling onto the surface got collected in the ... earth’s oceans were formed within 500 million years from the formation of the earth.

Who gave their opinions about the formation of the moon? What did they opine? -Geography

Description : Who gave their opinions about the formation of the moon? What did they opine? -Geography

Last Answer : In 1838, Sir George Darwin suggested that initially the earth and the moon formed a single rapidly rotating body. The whole mass became a dumb-bell shaped body and eventually it broke. The material ... was separated from the earth. The same portion became as a moon which revolves around the earth.

Formation of Extrusive and Intrusive Rocks -Geography

Description : Formation of Extrusive and Intrusive Rocks -Geography

Last Answer : Due to extreme heat in the interior of the earth, rocks are found in the form of molten material called magma. When magma comes out on the surface of the earth, it cools down and turns into solid ... the interior of the earth, it becomes solid to form intrusive rocks. Examples: ★ Granite. ★ Gabro.

How did earth develop its different layers? -Geography

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

Last 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 ... core and inner core. From the crust to the core, the density of the material increases.

Discuss any three problems associated with the use of thermal power. -Geography

Description : Discuss any three problems associated with the use of thermal power. -Geography

Last Answer : The three problems are : 1. Thermal electricity is produced from coal, petroleum and natural gas which are exhaustible and non-renewable. It involves recurring cost. 2. The process of generating electricity ... of waste in the form of fly ash, disposal of which adds to the cost of production.

(i) With which crop is ratooning associated? (ii) What are the types of soil that suit the cultivation of this crop? -Geography

Description : (i) With which crop is ratooning associated? (ii) What are the types of soil that suit the cultivation of this crop? -Geography

Last Answer : (i) Sugarcane. (ii) Sugarcane grows well on the loams and clayey loams and also on black cotton soil. (iii) Ratoon crops have the advantage of maturing earlier. Ratoon crop is the second crop which ... left on. So, it saves time and labour of fresh sowing and it cuts the cost of cultivation.

Explain the following terms and name the crop with which each is associated:1. Retting 2. Ratooning 3. Ginning -Geography

Description : Explain the following terms and name the crop with which each is associated:1. Retting 2. Ratooning 3. Ginning -Geography

Last Answer : 1. Retting is associated with jute. Retting is a microbiological process which loosens the outer bark and makes it easier to remove fibres from the stalk. Plant is dipped in stagnant water for 2-3 ... . It is associated with cotton. Ginning is a process by which seeds are separated from the fibre.

Explain the following methods of propagation and name the crop associated with each : (i) bud grafting (ii) ratoon cropping -Geography

Description : Explain the following methods of propagation and name the crop associated with each : (i) bud grafting (ii) ratoon cropping -Geography

Last Answer : (i) Bud grafting-It is associated with rubber crop. This method is done by the insertion of a strip of bark containing a bud from high yielding clones under a bark of a young seedling about 5 cm ... After the crop has been cut the stem begins to grow again and produces a second crop called ratoon.

Analyse the factors causing a problems associated with water resources in India. -Geography

Description : Analyse the factors causing a problems associated with water resources in India. -Geography

Last Answer : Post-independence, the factors that caused problems with water resources in India are as follows: 1. Increasing industrialisation 2. Urbanization and their demands for water 3. Industrial wastes released into ... some of the major factors due to which India is facing a problem of water scarcity.

Why is the conservation of resources important? Discuss associated with it. -Geography

Description : Why is the conservation of resources important? Discuss associated with it. -Geography

Last Answer : Conservation means the management of the resources for the benefit of the present as well as future generation. It does not mean the total curtailment of consumption but rather the controlled use of resources for ... the need of the hour and there are a variety of ways in which it can be achieved.

Is water scarcity always associated with regions of low rainfall or those that are drought-prone? Comment on the statements. -Geography

Description : Is water scarcity always associated with regions of low rainfall or those that are drought-prone? Comment on the statements. -Geography

Last Answer : Water scarcity may be an outcome of a large and growing population and resulting in greater demands for water, and unequal access to it. A large population means more water not only for ... depends on the rainwater but also efficient management and storage of the water in the specified areas.

Explain the various problems associated with the construction of large dams. Give examples in support of your answer. -Geography

Description : Explain the various problems associated with the construction of large dams. Give examples in support of your answer. -Geography

Last Answer : Dam is built as the barrier to the flowing of water. It is constructed as the reservoir and it mostly improves the irrigation facility of the area. According to the height, dams can ... have been experienced the earthquake, flood and other natural calamities because of the construction of dams.

Analyse the problems associated with Urban Settlements in developing countries. -Geography

Description : Analyse the problems associated with Urban Settlements in developing countries. -Geography

Last Answer : Major problems of urban settlements in developing countries are: Economic problems- over urbanization or uncontrolled urbanization in developing countries is due to large scale in-migration of rural ... severely pollutes the air. Huge concrete structures of buildings create heat in the cities.

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.

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.

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 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 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. :)

In scientific method what step follows the formation of a hypothesis?

Description : In scientific method what step follows the formation of a hypothesis?

Last Answer : Need answer

The Michaehis-Menten hypothesis: (A) Postulates the formation of an enzyme substrate complex (B) Enables us to calculate the isoelectric point of an enzyme (C) States that the rate of a chemical reaction may be independent of substrate concentration (D) States that the reaction rate is proportional to substrate concentration

Description : The Michaehis-Menten hypothesis: (A) Postulates the formation of an enzyme substrate complex (B) Enables us to calculate the isoelectric point of an enzyme (C) States that the ... independent of substrate concentration (D) States that the reaction rate is proportional to substrate concentration

Last Answer : Answer : A

The hypothesis to explain enzyme– substrate complex formation: (A) Lock and key model (B) Induced fit theory (C) Proenzyme theory (D) Both (A) and (B)

Description : The hypothesis to explain enzyme– substrate complex formation: (A) Lock and key model (B) Induced fit theory (C) Proenzyme theory (D) Both (A) and (B)

Last Answer : Answer : C

The mechanism of ATP formation both in chloroplast and mitochondria is explained by (a) chemiosmotic theory (b) Munch’s hypothesis (mass flow model) (c) relay pump theory of Godlewski (d) Cholodny-Wont’s model.

Description : The mechanism of ATP formation both in chloroplast and mitochondria is explained by (a) chemiosmotic theory (b) Munch’s hypothesis (mass flow model) (c) relay pump theory of Godlewski (d) Cholodny-Wont’s model.

Last Answer : (a) chemiosmotic theory

The hypothesis that rapid growth of per capita income will be associated with a reduction in poverty is called - (1) trickle down Hypothesis (2) trickle up hypothesis (3) U shaped hypothesis (4) poverty estimation hypothesis

Description : The hypothesis that rapid growth of per capita income will be associated with a reduction in poverty is called - (1) trickle down Hypothesis (2) trickle up hypothesis (3) U shaped hypothesis (4) poverty estimation hypothesis

Last Answer : (1) trickle down Hypothesis Explanation: According to the trickle down hypothesis the rapid growth of per capita income will be associated with a reduction in poverty. In India, this ... institution reform will reduce the incidence of poverty in the context of agricultural development in India.

Wagner’s hypothesis is associated with (a) Public receipts (b) Public expenditure (c) Supply of money (d) Public debt

Description : Wagner’s hypothesis is associated with (a) Public receipts (b) Public expenditure (c) Supply of money (d) Public debt

Last Answer : (b) Public expenditure

A hypothesis that States the nature (positive or negative) of the interaction between two or more variables is called a. Associated Hypothesis b. Casual Hypothesis c. Null Hypothesis d. Directional Hypothesis

Description : A hypothesis that States the nature (positive or negative) of the interaction between two or more variables is called a. Associated Hypothesis b. Casual Hypothesis c. Null Hypothesis d. Directional Hypothesis

Last Answer : d. Directional Hypothesis

The hypothesis that rapid growth of per capita income will be associated with a reduction in poverty is called (1) trickle down Hypothesis (2) trickle up hypothesis (3) U shaped hypothesis (4) poverty estimation hypothesis

Description : The hypothesis that rapid growth of per capita income will be associated with a reduction in poverty is called (1) trickle down Hypothesis (2) trickle up hypothesis (3) U shaped hypothesis (4) poverty estimation hypothesis

Last Answer : trickle down Hypothesis