This topic contains a solution. Click here to go to the answer

Author Question: Explain why metamorphic rocks, which require high temperature, pressure, or both to form, are ... (Read 24 times)

robinn137

  • Hero Member
  • *****
  • Posts: 544
Explain why metamorphic rocks, which require high temperature, pressure, or both to form, are commonly exposed at Earth's surface.
 
  What will be an ideal response?

Question 2

The greatest threats to groundwater supplies are
 
  A) groundwater pollution and depletion.
  B) global warming and the construction of dams.
  C) increased evaporation and increased precipitation.
  D) evapotranspiration and runoff.



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

GCabra

  • Sr. Member
  • ****
  • Posts: 331
Answer to Question 1

Rocks are metamorphosed at depth, then uplifted, and after the overburden is eroded, exposed at the surface.

Answer to Question 2

A





 

Did you know?

The shortest mature adult human of whom there is independent evidence was Gul Mohammed in India. In 1990, he was measured in New Delhi and stood 22.5 inches tall.

Did you know?

Intradermal injections are somewhat difficult to correctly administer because the skin layers are so thin that it is easy to accidentally punch through to the deeper subcutaneous layer.

Did you know?

People with alcoholism are at a much greater risk of malnutrition than are other people and usually exhibit low levels of most vitamins (especially folic acid). This is because alcohol often takes the place of 50% of their daily intake of calories, with little nutritional value contained in it.

Did you know?

For about 100 years, scientists thought that peptic ulcers were caused by stress, spicy food, and alcohol. Later, researchers added stomach acid to the list of causes and began treating ulcers with antacids. Now it is known that peptic ulcers are predominantly caused by Helicobacter pylori, a spiral-shaped bacterium that normally exist in the stomach.

Did you know?

In the United States, there is a birth every 8 seconds, according to the U.S. Census Bureau's Population Clock.

For a complete list of videos, visit our video library