be covered with moss and rocks. be a mature hardwood forest. be grown over with bushes and small trees. be barren due to lack of maintenance.
I gave my students this multiple choice question: In an effort to preserve wildlife on his farm in Massachusetts, a farmer decides to stop using a 10-acre field. The farmer fences off the area, stops cutting the grass, and stops allowing livestock to graze on it. After twenty years, the area would most likely

Only one answer is correct among these 4 choices:
- be covered with moss and rocks.
- be a mature hardwood forest.
- be grown over with bushes and small trees.
- be barren due to lack of maintenance.

Could you tell me which one is correct?

be grown over with bushes and small trees.