This topic contains a solution. Click here to go to the answer
« previous next »

Author Question: How is magma generated along subduction zones? A) Decompression melting of the mantle from weight ... (Read 43 times)

moongchi

  • Hero Member
  • *****
  • Posts: 516
on: Jul 16, 2018
How is magma generated along subduction zones?
 
  A) Decompression melting of the mantle from weight reduction.
  B) Fluids are dehydrated out of the descending plate, which lowers the melting point of the surrounding mantle.
  C) Friction from colliding plates melts mantle material.
  D) Radioactive decay melts mantle material.

Question 2

Which of the following changes are not evidence of migrating magma?
 
  A) Changes in the pattern of earthquakes produced by moving magma
  B) Molten rock flowing down the flank of a volcanic cone
  C) Increase in ground temperature
  D) Changes in the volcanic gases released from the volcano


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

bookworm410

  • Sr. Member
  • ****
  • Posts: 341
Reply #1 on: Jul 16, 2018
Answer to Question 1

Answer: B

Answer to Question 2

Answer: B


moongchi

  • Member
  • Posts: 516
Reply 2 on: Jul 16, 2018
:D TYSM

sultana.d

  • Member
  • Posts: 320
Reply 3 on: Yesterday
Great answer, keep it coming :)

« previous next »
 

Did you know?

Giardia is one of the most common intestinal parasites worldwide, and infects up to 20% of the world population, mostly in poorer countries with inadequate sanitation. Infections are most common in children, though chronic Giardia is more common in adults.

Did you know?

The first oral chemotherapy drug for colon cancer was approved by FDA in 2001.

Did you know?

Vampire bats have a natural anticoagulant in their saliva that permits continuous bleeding after they painlessly open a wound with their incisors. This capillary blood does not cause any significant blood loss to their victims.

Did you know?

Hip fractures are the most serious consequences of osteoporosis. The incidence of hip fractures increases with each decade among patients in their 60s to patients in their 90s for both women and men of all populations. Men and women older than 80 years of age show the highest incidence of hip fractures.

Did you know?

In most cases, kidneys can recover from almost complete loss of function, such as in acute kidney (renal) failure.

The electrophoretic mobility of a protein on an SDS polyacrylamide gel is related to its molecular w The electrophoretic mobility of a protein on an SDS polyacrylamide gel is related to its molecular w
Laboratory mice demonstrate that genetic differences can have profound effects on the propensity to Laboratory mice demonstrate that genetic differences can have profound effects on the propensity to
Sample Exercise Prescription for Weight Training: Beginner Sample Exercise Prescription for Weight Training: Beginner
Lucy’s Body Weight Proportions Compared to a Bonobo Lucy’s Body Weight Proportions Compared to a Bonobo
Weight Scale Weight Scale
Needle Decompression of a Tension Pneumothorax Needle Decompression of a Tension Pneumothorax
Video: Chemical Buffers - protein buffer, phosphate buffer system and bicarbonate buffer system

For a complete list of videos, visit our video library