Why do plants have cell walls and not animal cells?

Plant cells have cell walls around them, and animal cells don't have cell walls

Explanation:

The cell walls give plant cells their boxy shapes. ... That's nice for plants, because it gives them the ability to grow up and out, where they can get lots of sunlight for making their food.

Plant cells have cell walls around them, and animal cells don't have cell walls. The cell walls give plant cells their boxy shapes.

Explanation:b Animal cells do not have cell walls because they do not need them.

the answer to your question is b

affects the water bodies: excessive use of fertilizers causes eutrophication. the fertilizers which are used on plants affect the quality of land on which it is used, further causing erosion of soil. the fertilizers used on plants contain harmful chemical fumes which affect the environment.