Multiple choice general knowledge science & technology

The moon's period of lunar volcanism lasted from:

  1. about 3.7 to 2.5 billion years ago

  2. about 4.6 to 3.9 billion years ago

  3. about 2.4 to 1.6 billion years ago

  4. about 5.2 to 3.7 billion years ago
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Lunar volcanism was most active during the period when maria (dark basaltic plains) formed, dated from about 3.7 to 2.5 billion years ago. Option B covers the earlier heavy bombardment era, C is too recent, and D incorrectly extends beyond the moon's geological activity.

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