40. the lunar landings confirmed that\na. the moon’s mineral composition is very different from the…

40. the lunar landings confirmed that\na. the moon’s mineral composition is very different from the earth’s.\nb. the moon’s youngest rocks are about as old as the earth’s oldest rocks.\nc. the moon oldest rocks are about as old as the earth’s youngest rocks.\nd. some microbes and fungi might live on the surface of the moon.

40. the lunar landings confirmed that\na. the moon’s mineral composition is very different from the earth’s.\nb. the moon’s youngest rocks are about as old as the earth’s oldest rocks.\nc. the moon oldest rocks are about as old as the earth’s youngest rocks.\nd. some microbes and fungi might live on the surface of the moon.

Answer

Brief Explanations:

Lunar landings showed that the moon's youngest rocks are about as old as the Earth's oldest rocks. There is no evidence from lunar landings for options A, C, and D. The moon's mineral composition has similarities to Earth's in some aspects, the moon's oldest rocks are much older than Earth's youngest rocks, and no microbes or fungi were found on the moon's surface during lunar landings.

Answer:

B. the moon’s youngest rocks are about as old as the Earth’s oldest rocks.