At high altitude the level of oxygen is very less as compared to that of the lower region so, the process of respiration causes the red blood cell more active around the cheek. This causes to seem the red cheek of people living in high altitude.
because they have high haemoglobin for maintenance of oxygen in body
One difference n the life style of people living in high altitudes instead of low altitudes is weight. People living in high altitudes are typically not over weight. They also have less heart disease
i dont know the answer
just high altitudes
Cirrocumulus cloud is a clous that often appears at high altitudes.
Jet airplanes fly at high altitudes because it is more fuel efficient. Flying at higher altitudes uses less fuel than flying at lower altitudes.
At high speeds and altitudes
It is greater at a lower altitude.
some people lives in the high altitudes easy to get high erythrocyte count. Because at the high altitudes, the air is become thinner, it means less oxygen.