Question

Answer the following questions
nel.
1. Name the four realms of the earth.
2. Which four gases constitute only one per cent of the total volume of the atmospher
3. Which continent is not inhabited by the people and why?
4. Why is earth known as a 'unique planet'?
5. Name three major landforms on the land surface.​

Answer 1

Answer

4. Because Earth is only a planet where Oxygen and water both

Answer 2

Answer:

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$- >$Name the four realms of the earth.

The four realms of the earth are lithosphere, hydrosphere, biosphere, and atmosphere.

$- >$Which four gases constitute only one per cent of the total volume of the atmospher.

The four gases which constitute only one percent of the total volume of the atmosphere include argon, carbon dioxide, Nitrogen, and oxygen

$- >$Which continent is not inhabited by the people and why?

Antarctica is a unique continent in that it does not have a native population.

$- >$Why is earth known as a 'unique planet'?

The Earth is regarded as a unique planet because of the following reasons:

(i) It is the only planet known to support life. It has oxygen and water present in proportions that allow life to thrive.

(ii) It also has a temperature range that supports life.

(iii) The proportion of water present in about two-thirds of the surface of earth when compared to land.

Name three major landforms on the land surface.

Mountains, hills, plateaus