If you pumped contaminated water from an aquifer, cleaned the water and pumped it back in what would happen?
question 2 options:
the water would be re-contaminated by rock and soil in the aquifer
the water would clean the aquifer
it’s impossible to know what would happen
the water would be clean and stay clean

this is a good question! i'll do some research and come back when i have the answer!

kelp are large brown algae that live in cool, relatively shallow waters close to the shore. they grow in dense groupings much like a forest on land. these underwater towers of kelp provide food and shelter for thousands of fish, invertebrates, and marine mammal species.

e) all of the above

this age may represent the age of the earth's accretion, of core formation, or of the material from which the earth formed. this dating is based on evidence from radiometric age-dating of meteorite material and is consistent with the radiometric ages of the oldest-known terrestrial and lunar samples.