What locations on earth experience 12 hours of daylight and 12 hours of night every day of the year?

Equator is equal day and night each day

The answer to this question is  c. pharmaceutical accumulation  reclaimed water refers to the water that being used again after it already  used for agricultural purposes.this type of water often contains pharmaceutical accumulation because of the chemical fertilizer that is used for the plants is absorbed into the water.

Here is a picture  of the net. its 4 squares in a row diagonal and on the third draw one square aove and under