Why cooking is difficult at high altitude?

Give reason, why (i)Cooking is difficult at high altitude.

While experimentation, why do you think it is difficult to assign any effect seen to any single hormone?

Explain formation of clouds at high altitude.

Use your brain power! Why is the weight of an object at a high altitude less than its weight at the sea level?

It is difficult to run fast on sand.

Why is difficult to hold one's breath beyond a limit?

Why cooking is faster in pressure cooker?

Low concentration of oxygen in the blood and tissues of people living at high altitude is due to

Discuss the variation of acceleration due to gravity with altitude.