We ................ (do/do not) feel the atmospheric pressure as our body almost balances it out.

What do you understand by atmospheric pressure ?

Most atmospheric pollutants do not rise above

What do you mean by the term fluid pressure ?

State two factors which affect the atmospheric pressure as we go up.

How do oxides of nitrogen enter the atmosphere ?

As we go higher, what happens to the atmospheric pressure?

Why do our body cells require oxygen ?

When we turn round and round, we lose our balance.

What do you understand by the term atmospheric pressure? What is its average value at sea level?

We do not feel uneasy even under enormous pressure of the atmosphere above as well as around us. Give a reason.