The sediments that make up the Ganges river delta in India are often toxic because they
A) Run through toxic soils
B) Originate in coastal industrial areas
C) Are highly acidic due to acid rain
D) Have concentrations of naturally occurring arsenic
E) Dissolve naturally-occurring sulfur dioxide

Question

Quizplus · Accepted Answer

The sediments in the Ganges river delta are often toxic due to concentrations of naturally occurring arsenic. This arsenic is released from the sediments into the groundwater, making it a significant health hazard for people using this water for drinking and irrigation.

The Sediments That Make Up the Ganges River Delta in India