Chapter 3

variables? elevation (bellow sea level to 8.5 km) air temps (-60 to 60 ºC, increasing at a rate of 1.2 ºC for every 305 mts in elevation) pption (from a fraction of a cm to 1.3 mts/year. Based on these variables, there are different ways to classify terrestrial environments: biomes, life zones, and biotic provinces ................
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