Which of the following potential solutions could a crowded city improve its management of water supplies?
a.
encourage citizens to conserve water in their homes
b.
allow unregulated dumping in rivers and creeks
c.
encourage citizens to grow water-intensive crops
d.
citizens use more water on agricultural crops

The correct answer is option A "encourage citizens to conserve water in their homes". Water conservation at people's home, would improve water supplies management as water demand would drop in the city. This option is a good option to reduce water consumption in a crowded city as the one stated in the question.

the first one is d and the second a

answer; (d) none of the above;