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At about 30 degrees north latitude, forests give way to deserts because of:
AHigh precipitation
BConstant snowfall
CFrequent flooding
DLow precipitation
Answer & Solution
Correct answer: D. Low precipitation
1. Travelling north from the equator reveals gradual changes in both climate and organisms.
2. At about 30 degrees north, these forests would give way to deserts.
3. Deserts are characterised by low precipitation.
4. Continuing further north eventually reaches the Arctic tundra.
_Source: OpenStax Biology for AP(R) Courses (CC BY 4.0), Ch 35 'Ecology and the Biosphere', sections 35.1-35.5_
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