Question

A. Answer the following questions in brief
1. What makes the Earth a unique planet?
2. What is the position of the Earth in the solar
system in terms of distance from the Sun?
3. How is the atmosphere of the Earth different
from those around the other planets?
4. Give three ways by which the atmosphere
protects the Earth from harmful conditions.
5. What is the importance of gases like oxygen,
nitrogen and carbon-dioxide present in the
atmosphere?
6. Explain the significance of the Hydrosphere.
7. Explain the significance of the Lithosphere.
8. What do you mean by the term GEOID or
OBLATE SPHEROID?
9. Give three evidences to prove that the Earth
is a spherical heavenly body.
10. How did Bedford level canal experiment
prove that the Earth is a sphere?
11. What is the importance of the Sun's energy
in a food chain?
12. What do you mean by the ECOSYSTEM?
13. Mention three features of the Moon that
make it unsuitable for life.
14. Mention three important features of the
Earth that make it suitable for life.​

Answer 1

Answer:

1-presence of water nd gases nd atmosphere

2- 3

3- ozone layer,gases like nitrogen, oxygen

4-reflecting back the UV Rays etc ....