It’s answer C because of eutrophication
Answer:
As the amount of impervious paved surfaces increase, watersheds become more vulnerable to pollutants. When rains fall on a conventionally paved impervious surface, the precipitation is generally directed down storm drains, which can result in flooding and overwhelming the storm water management system.
Explanation:
Atoms are the smallest unit of non-living things and CELLS are the smallest unit of living things.
The Vascular system transports water and sugars throughout the plant during photosynthesis.