How many circles, each with a 4-inch radius, can be cut from a rectangular sheet of
paper, measuring 16 inches x 24 inches?
(a) 6
(b) 7
(c) 8
(d) 12
(e) 24

materials water oxygen those are the things i can think of in this moment.

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.