Multiple Choice
What is the significance of the Tunguska River Valley in Siberia in terms of asteroids?
A) It is where the largest comet was sighted.
B) It is where a large airburst of an asteroid occurred in recent history.
C) It is the site of a crater that marks the asteroid that killed the dinosaurs.
D) It is the site of the largest impact crater ever recorded on Earth.
E) It is a site of enormous wildfires in prehistoric times.
Correct Answer:

Verified
Correct Answer:
Verified
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