Respuesta :
Groundwater contaminants, like sulfur, iron, calcium carbonate, and methane may come from the rock the water flows through.
Groundwater contamination is a serious environmental issue because it can pollute the water supply and make it unsafe for human consumption. There are a variety of ways that groundwater can become contaminated, including agricultural runoff, sewage leakage, and industrial waste disposal.
Once groundwater is contaminated, it is very difficult to clean up, and the contamination can spread quickly, making it a major environmental hazard. Sediment, chemicals, and fecal coliform are the three most prevalent groundwater contaminants.
Hence, the correct answer is option "A".
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The question is incomplete, the complete question is:
Groundwater contaminants:
A. Like sulfur, iron, calcium carbonate, and methane may come from the rock the water flows through.
B. Are all eventually removed by rock and sediment acting as natural filters.
C. Move so slowly they are usually detected and removed before they travel far.
D. Are always toxic materials like arsenic, mercury, and lead.
E. All of the above are true statements.
