Question

the selection states that a paper mill is always near a lake or a river because
a scraps of leftover paper could be given as food to fish in the water.
b the water birds that live there use scraps of paper to build their nests.
c water is needed to cool down the big machines.
d it takes a large amount of water to make paper.

Explanation:

Paper - making is a water - intensive process. A large quantity of water is required in various stages of paper production such as pulping, refining, and washing. Options A and B are not the main reasons. Option C might be a secondary use of water but not the primary reason for a paper mill's location. The main reason is the high water demand for the paper - making process itself.

Answer:

D. it takes a large amount of water to make paper.