Leonard Hare

Leonard Hare, Ph.D., is professor of biology, Andrews University.

The World Within a Living Cell

OUR home planet is but one of nine that orbit the sun in our solar system, yet only on earth do conditions seem ideal for the support of life. Two of the planets are so close to the sun that their surface temperatures are too hot for life to exist. Five of the planets are so far from the sun that its feeble rays cannot warm their surfaces enough to sustain life processes. . .

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