I believe the answer is 2: multiple ecosystems in a biome
I believe the answer would be D) kitchen scraps and grass clippings
Answer:
B
Explanation:
Surface tension allows a water strider to "walk on water"
Water striders are able to walk on top of water due to a combination of several factors. Water striders use the high surface tension of water and long, hydrophobic legs to help them stay above water. ( :
The answer is B because the oil can cause major pollution, killing most of the living organisms in the lake, while the others cause more mild pollution or small invasion of organisms homes
