The oldest rocks yet found by radioactive age dating, in order of decreasing age, are:
A)Earth rocks, lunar rocks, and meteorites.
B)meteorites, lunar rocks, and Earth rocks.
C)lunar rocks, Earth rocks, and meteorites.
D)lunar rocks, meteorites, and Earth rocks.

Question

Quizplus · Accepted Answer

The oldest rocks yet found by radioactive age dating are meteorites, with ages up to 4.6 billion years old. The oldest lunar rocks are slightly younger than the oldest meteorites, and the oldest Earth rocks are even younger. Therefore, the correct order of decreasing age is meteorites, lunar rocks, and Earth rocks.

The Oldest Rocks Yet Found by Radioactive Age Dating, in Order