What has a negative impact on an ecosystem?
massive damage Pesticides good weather Destroy bridges planting trees normal water levels deforestation cutting down oaks
A B C D E F G H
Oak trees are so strong.
cutting down oaks has a negative impact on an ecosystem
What has a negative impact on an ecosystem? (A) massive damage (B) Pesticides (C) good weather (D) Destroy bridges (E) planting trees (F) normal water levels (G) deforestation (H) cutting down oaks