Author Question: The main source of groundwater is A) surface water where it intersects the zone of recharge. B) ... (Read 87 times)

jerry coleman

  • Hero Member
  • *****
  • Posts: 570
The main source of groundwater is
 
  A) surface water where it intersects the zone of recharge.
  B) the zone of aeration above the water table.
  C) hygroscopic water in the soil.
  D) precipitation that percolates downward as gravitational water.

Question 2

Approximately 95 of Earth's crust is made up of
 
  A) phosphates. B) silicates. C) oxides. D) carbonates.



jlaineee

  • Sr. Member
  • ****
  • Posts: 380
Answer to Question 1

D

Answer to Question 2

B



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
 

Did you know?

Your chance of developing a kidney stone is 1 in 10. In recent years, approximately 3.7 million people in the United States were diagnosed with a kidney disease.

Did you know?

Nearly all drugs pass into human breast milk. How often a drug is taken influences the amount of drug that will pass into the milk. Medications taken 30 to 60 minutes before breastfeeding are likely to be at peak blood levels when the baby is nursing.

Did you know?

Adult head lice are gray, about ? inch long, and often have a tiny dot on their backs. A female can lay between 50 and 150 eggs within the several weeks that she is alive. They feed on human blood.

Did you know?

The strongest synthetic topical retinoid drug available, tazarotene, is used to treat sun-damaged skin, acne, and psoriasis.

Did you know?

The first-known contraceptive was crocodile dung, used in Egypt in 2000 BC. Condoms were also reportedly used, made of animal bladders or intestines.

For a complete list of videos, visit our video library