« previous next »

Author Question: The main source of groundwater is A) surface water where it intersects the zone of recharge. B) ... (Read 63 times)

jerry coleman

  • Hero Member
  • *****
  • Posts: 570
on: Jul 14, 2018
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
Reply #1 on: Jul 14, 2018
Answer to Question 1

D

Answer to Question 2

B


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
« previous next »
 

Did you know?

Oxytocin is recommended only for pregnancies that have a medical reason for inducing labor (such as eclampsia) and is not recommended for elective procedures or for making the birthing process more convenient.

Did you know?

Signs of depression include feeling sad most of the time for 2 weeks or longer; loss of interest in things normally enjoyed; lack of energy; sleep and appetite disturbances; weight changes; feelings of hopelessness, helplessness, or worthlessness; an inability to make decisions; and thoughts of death and suicide.

Did you know?

It is believed that humans initially contracted crabs from gorillas about 3 million years ago from either sleeping in gorilla nests or eating the apes.

Did you know?

Liver spots have nothing whatsoever to do with the liver. They are a type of freckles commonly seen in older adults who have been out in the sun without sufficient sunscreen.

Did you know?

Drug-induced pharmacodynamic effects manifested in older adults include drug-induced renal toxicity, which can be a major factor when these adults are experiencing other kidney problems.

Parts of the Hand Used in Palpation; Dorsal Surface Parts of the Hand Used in Palpation; Dorsal Surface
Martin Van Buren, sitting uncomfortably for this engraving, would eventually ascend to the presidenc Martin Van Buren, sitting uncomfortably for this engraving, would eventually ascend to the presidenc
IgM only, then IgD and IgM on the surface of a B cell. IgM only, then IgD and IgM on the surface of a B cell.
Place sheet or towel over area to be heated. Use sufficient heat barrier for the heat source used. ... Place sheet or towel over area to be heated. Use sufficient heat barrier for the heat source used. ...
The Excretory System Water and waste products from cells The Excretory System Water and waste products from cells
Work of Running Water Work of Running Water
Video: Anatomy and Chemical Makeup of a Single Hair (Animation)

For a complete list of videos, visit our video library