Multiple choice

Which of these is a direct environmental effect of the Neolithic Revolution

  1. Surplus of food allowed people to migrate across Earth

  2. Introduced crops quickly adapted to and spread in new lands

  3. Clearing land for agriculture killed off megafauna

  4. Introduced crops hurt diversification and caused erosion
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Intensive agriculture often leads to soil depletion, erosion, and a reduction in biodiversity compared to the natural ecosystems that existed before the land was cleared.

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