Question

ORAL QUESTIONS
1. Does the density of the blanket of air that surrounds us get thicker or thinner as we go up?
2. Is air a mixture or a compound? Justify your answer.
3. The percentage of water vapour in the air is always the same. Do you agree? Give reasons.​

Answer 1

Answer:

1.yes

2.Air is a mixture of various gasses. Like oxygen, carbon, nitrogen, helium etc.

3.Water vapor varies by volume in the atmosphere from a trace to about 4%.