Which of these human activities in a forest has a positive effect on the ecosystem?
Clearing the land to build new homes Planting new trees where old ones were cut down Building a new highway through the area Cutting down trees to make farmland
Question: Which of these human activities in a forest has a positive effect on the ecosystem?
A. Clearing the land to build new homes
B. Planting new trees where old ones were cut down
C. Building a new highway through the area
D. Cutting down trees to make farmland
Answer: