Which is a major reason that Central Asia has been conquered repeatedly? A. The flat terrain made it vulnerable to attack.
B. Portugal and Spain wanted control of the Silk Road.
C. China and Australia battled for control of its resources.
D. The climate there made nomadic lifestyles impossible.
ITS A!

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.

The correct answer should be brand c.

Answer volcanic outgassing;