An aquifer refers to
A. an intermittent spring that flows during only part of the year.
B. a layer of water-bearing permeable rock, sand, or gravel.
C. any body of freshwater.
D. the cool, dense layer of water at the bottom of a body of water.
Answer:B
An aquifer refers to
A. an intermittent spring that flows during only part of the year. B. a layer of water-bearing permeable rock, sand, or gravel. C. any body of freshwater. D. the cool, dense layer of water at the bottom of a body of water.