Natural environment has the ability to gather some pollutants yet if too much then the environment could no longer handle it. A leaky sewage can pollute an aquifer with I. arsenic as the contaminant. Arsenic is a metalloid existing in the Earth's crush. Exposure is natural yet can be aggravated by the human activities.
Answer:
I'm guessing it's a diploma.
Just Search your friend's question in brainly and tap on his / her Id pic
Answer:
I would have to go with the first one.
Explanation:
May I get brainliest please?