Which layer of Earth has convection currents?
A. Asthenosphere
B. Crust
C. Lithosphere
D. Mesosphere

your answer is "the 1950's"

explanation:

for  example, forests have higher evapotranspiration than other ecosystems,  such  as grasslands, because of their deeper roots and greater leaf area. thus forests have a net moistening effect on the atmosphere and become a moisture source for downwind ecosystems.

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