The Earth


 
 
Concept Explanation
 

The Earth

The Earth:

The Earth is the third planet from the Sun. The various environment conditions available on Earth are responsible for the existence and continuation if life on Earth are as follows :

1. The Earth has an atmosphere The Earth's atmosphere has sufficient oxygen, the gas we need in order to live. The Earth's atmosphere also supplies carbon dioxide needed for the preparation of food by photosynthesis by the plants.

2. The Earth has a large quantity of water. This water helps in the evolution and maintenance of life on earth.

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Sample Questions
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Question : 1

Name the planet on which the life exists ?

Right Option : D
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Question : 2

Which is the planet whose length of the days and tilt of its axis are almost indentical to those of the Earth ?

Right Option : C
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Question : 3

The tilting of the Earth is responsible for :

Right Option : C
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