Multiple Choice
Why are ancient impact craters difficult to identify on Earth?
A) they typically have been eroded or infilled with younger sediments
B) impact craters on Earth are smaller than those on the Moon or Mars
C) they typically lack shock metamorphic minerals
D) there have been very few meteorite impacts on Earth
Correct Answer:

Verified
Correct Answer:
Verified
Q1: Why are impact craters more common on
Q2: The Chicxulub impact crater in the Yucatan
Q3: Comets typically orbit the sun at the
Q4: The Cretaceous-Tertiary mass extinction was apparently caused
Q5: A meteoroid that enters the Earth's atmosphere
Q7: The mass extinction at the Permian-Triassic transition
Q8: Why do some asteroids leave the asteroid
Q9: A meteorite is<br>A)a small comet<br>B)a large meteoroid<br>C)a
Q10: The shock wave resulting from meteorite impact
Q11: In 1908, the Tunguska River Valley in