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 25 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?

Though Candida and Aspergillus species are the most common fungal pathogens causing invasive fungal disease in the immunocompromised, infections due to previously uncommon hyaline and dematiaceous filamentous fungi are occurring more often today. Rare fungal infections, once accurately diagnosed, may require surgical debridement, immunotherapy, and newer antifungals used singly or in combination with older antifungals, on a case-by-case basis.

Did you know?

Your skin wrinkles if you stay in the bathtub a long time because the outermost layer of skin (which consists of dead keratin) swells when it absorbs water. It is tightly attached to the skin below it, so it compensates for the increased area by wrinkling. This happens to the hands and feet because they have the thickest layer of dead keratin cells.

Did you know?

Cancer has been around as long as humankind, but only in the second half of the twentieth century did the number of cancer cases explode.

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.

For a complete list of videos, visit our video library