Tibet is located in a mountain biome and is sometimes called the "Roof of the World." The people in
Tibet are adapted to the mountain biome because they have larger lung capacities and increased
breathing rates compared with people not living in mountain biomes. Which feature of the mountain
biome would most likely cause this adaptation?
A extreme temperature change in a short amount of time.
B thin atmosphere with low oxygen and carbon dioxide levels
C exposure to harmful ultraviolet rays which require movement to find shelter
D sandy and rocky soils which require a lot of physical activity to navigate the terrain