Question

Replenishable natural resources, like groundwater and oxygen, are purified when they move through Earth's cycles. Which of the following describes how groundwater is purified in the water cycle?

Answer 1

Answer:

ground water is purifided with oxygen

Explanation: oxygen has to be clean to  clean the water

Answer 2

Answer:

Rain and snow is purified during infiltration through layers of soil and rock.

Explanation: