Most  joints in the body form levers.                a.  first-class      b.  fourth-class      c.  third-class      d.  second-class

the answer will be c.Thrid class because one expample is the elbow joint

C. 3rd Class. ( Example: knee joint)

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.

it would be rhyolitic hope this