Question

id Give a reason for each of the following:
f) We find it difficult to breathe when we climb mountains.
(ii) The atmosphere is the most dynamic entity.
fii) All the weather phenomena takes place in the troposphere​

Answer 1

all of the reason is same

because the trees. the reason is trees we go on hilly areas So minimum trees are in there

Answer 2

Explanation:

In order for your lungs to breathe air in without duress, the pressure has to be higher outside your body. But at high altitudes, the outside air pressure is lower than it is inside your lungs, making it more difficult to pull in the thinner air and for your veins to pump oxygen throughout the body