Rewrite each sentence, changing a word or phrase to make the statement true,
The muscle tissue in your heart is made up of long, thin cells.

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.

characteristics of hydrocarbons

i think its both a and b