Author Question: When mantle peridotite partially melts beneath an oceanic ridge, ________ magma is produced. A) ... (Read 322 times)

james

  • Hero Member
  • *****
  • Posts: 573
When mantle peridotite partially melts beneath an oceanic ridge, ________ magma is produced.
 
  A) andesitic or intermediate
  B) basaltic or mafic
  C) rhyolitic or felsic
  D) granitic or felsic

Question 2

To be classified as a batholith a plutonic body must have surface exposure greater than ________ square kilometers.
 
  A) 45
  B) 50
  C) 80
  D) 100



prumorgan

  • Sr. Member
  • ****
  • Posts: 326
Answer to Question 1

Answer: B

Answer to Question 2

Answer: D



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
 

Did you know?

To prove that stomach ulcers were caused by bacteria and not by stress, a researcher consumed an entire laboratory beaker full of bacterial culture. After this, he did indeed develop stomach ulcers, and won the Nobel Prize for his discovery.

Did you know?

Methicillin-resistant Staphylococcus aureus or MRSA was discovered in 1961 in the United Kingdom. It if often referred to as a superbug. MRSA infections cause more deaths in the United States every year than AIDS.

Methicilli ...
Did you know?

Illicit drug use costs the United States approximately $181 billion every year.

Did you know?

About 60% of newborn infants in the United States are jaundiced; that is, they look yellow. Kernicterus is a form of brain damage caused by excessive jaundice. When babies begin to be affected by excessive jaundice and begin to have brain damage, they become excessively lethargic.

Did you know?

As many as 28% of hospitalized patients requiring mechanical ventilators to help them breathe (for more than 48 hours) will develop ventilator-associated pneumonia. Current therapy involves intravenous antibiotics, but new antibiotics that can be inhaled (and more directly treat the infection) are being developed.

For a complete list of videos, visit our video library