You are testing the groundwater quality of an aquifer and find that it has high amounts of arsenic.What is the likely source?
A)The arsenic comes from the dissolved minerals in the aquifer rock.
B)The arsenic comes from the reaction of the water with your testing supplies.
C)The arsenic is being poured into the groundwater to poison the town.
D)The arsenic is not actually there;it does not show up in groundwater.

Question

Quizplus · Accepted Answer

High amounts of arsenic in groundwater are typically caused by the dissolution of arsenic-containing minerals in aquifer rocks. This can occur naturally or be exacerbated by human activities such as mining or agricultural practices. B and C are unlikely sources as they are not common causes of high levels of arsenic in groundwater. D is incorrect as arsenic is a common contaminant in groundwater.

You Are Testing the Groundwater Quality of an Aquifer and Find