Some scientists believe the moon was produced when Earth collided with a Mars-sized object, breaking off pieces of Earth. Which evidence suggests that Earth and the moon may have once been in the same place?
a. The soils of Earth and of the moon support some of the same types of plant life.
b. The composition of moon rocks and some Earth rocks are similar. **
c. The temperatures on Earth and on the moon are similar.
d. The amount of water on the moon and on Earth is similar.
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B looks good, despite the bad grammar.
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