What kinds of large-scale changes have occurred on the Moon in the last billion years?
A) none-the Moon is exactly as it was 1 billion years ago
B) tectonic activity
C) volcanic activity and large-scale lava flows
D) gentle sculpting of the landscape by constant meteoroid impact

Question

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The Answer of What kinds of large-scale changes have occurred on the Moon in the last billion years?
A) none-the Moon is exactly as it was 1 billion years ago
B) tectonic activity
C) volcanic activity and large-scale lava flows
D) gentle sculpting of the landscape by constant meteoroid impact

What Kinds of Large-Scale Changes Have Occurred on the Moon