Question

1-which four gases constitute only one per cent of the total volume of the atmosphere?

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

3- Why is earth known as a ' unique planet' ?

4- Name three major land forms on the land surface? ​

Answer 1

Answer:

1. argon, carbon dioxide, Nitrogen, and oxygen.

2. Antarctica is not inhabited py people because of its ice covered peaks and snow covered caps and also due to its very very low temperature.

3. It is unique among planets in our solar system for having water in its liquid form at the surface, in an amount conducive to life evolving.

4. Mountain, hill , plateaus etc.

Explanation:

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