Craters Are Not Apparent on Earth at the Present Time

question 10

Multiple Choice

Craters are not apparent on Earth at the present time in the abundance seen on the Moon because

• A) plate tectonics has returned cratered surface layers into Earth's interior, and weathering has obliterated the more recent craters.
• B) the Moon protected Earth from impacts, which resulted in the craters and maria on the Moon.
• C) all the potentially damaging interplanetary bodies were stopped by Earth's atmosphere.
• D) interplanetary objects have avoided Earth during its history.

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