What was the work of rudolf virchow trying to prove?

a. that cells were generated spontaneously
b. that animals had different cells than plants
c. that spontaneous generation didn't happen
d. that most plants were unicellular organisms

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the answer is tropical areas. the tropical areas obtain more

radiant energy from the sun than they lose to space through terrestrial

radiation, and vice versa for polar areas. earth has an energy remaining in the

tropics and an energy scarcity for the polar areas.

explanation: