The answer would be A) Thins as elevation increases
This is why astronauts wear suits that require oxygen to breathe, because the air becomes to thin to breathe.
Hope this helps :D
FULL ANSWER<span>Altitudinal zonation is a layering of climate zones in mountainous regions. Five of these zones occur in Latin America.The tierra caliente zone is hot and comprises tropical rainforests and savannas.The tierra templada is a temperate zone of evergreen forests. Coffee is an important economic crop in this zone.
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Imaginary line or Half of the earth dividing north east west or south.
Tectonic plate movement is run by convection of mantle currents.
