Rainfall is absent but precipitation occurs in

$A$ kind of similarity found in polar regions and high altitudes is

In which area does the highest average rainfall occur?

Organisms restricted to a narrow range of salinity are $- P$.
Organisms that tolerate a wide range of salinity are $- Q$.
Choose the correct option for $P$ and $Q$.
$P$ $Q$

Altitude sickness,which includes nausea,fatigue,and heart palpitations,occurs due to:

Which one of the following pairs is correctly matched?