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?

A.
Surface runoff is purified as it flows through streams and rivers into lakes.
B.
When water condenses in clouds, it is purified as precipitation is produced.
C.
As water evaporates from oceans, it is purified and becomes water vapor.
D.
Rain and snow is purified during infiltration through layers of soil and rock