Question

Exercises
1. Answer the following questions briefly:
1. Why does the Earth have optimum temperature conditions?
2. Mention any three unique features of the Earth.
3. State how the atmosphere around the Earth is different from those around the other planets.
4. State the significance of the atmosphere.
5. Describe the role of water in making the Earth a unique planet.
6. State the importance of lithosphere.
7. Name any three factors which have made life possible on the Earth.
8. Why is the shape of the Earth called an Oblate Spheroid?
9. State any three evidences to prove the spherical shape of the Earth.
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Answer 1

Answer:

1.The Earth has a optimum temperature conditions because of its ideal distance from the Sun. It is neither too far nor too close to the Sun

2.It is located at an optimum distance from the Sun. Hence, it is neither too cold nor too hot. ...

The earth is a watery planet with 70% of the earth's surface covered by water.

It has an atmosphere which receives heat from the sun by solar radiation and loses heat by earth's radiation

3.Answer. Our atmosphere is about 78% nitrogen and 21% oxygen, with traces of otherthings like water and carbon dioxide. It's an odd mix compared to the atmospheres of other planets. ... Whenplanets initially form, their composition is mostly hydrogen and helium