You are testing the groundwater quality of an aquifer and find that it has high amounts of arsenic.What is the likely source?

Question

Quizplus · Accepted Answer

Arsenic is a naturally occurring element that can be present in the rocks and minerals in the aquifer. When groundwater comes into contact with the rock, the arsenic can dissolve into the water, leading to high levels in the aquifer. Other sources, such as human activity or contamination from testing supplies, would be less likely to cause consistently high levels of arsenic throughout the entire aquifer.

You Are Testing the Groundwater Quality of an Aquifer and Find