Which human activity negativetly affects the stabiltiy of the environment?
A. Recycling paper
B. riding bicycles
C. Cutting down all trees
D. Planting


Answer :

Answer:

C.would be the most bestest answer

Explanation:

recycling is good, riding bikes is good instead of cars and emissions from them, and planting is excellent of course because your giving back to the environment.

so that leaves C :)