The four critical factors that led to the development of ea diversity of life are,

A. the distance between Sun and Moon, and the effect of the Moon on Earth.
B. the amount of glacial ice, and the number of oceans.
C. the amount of solar insolation, and the presence of the Moon.
D. the surface temperature of the Earth, and the ability to retain its atmosphere.


Answer: D

Environmental & Atmospheric Sciences

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