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 45 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
Wow, this really help

daiying98

  • Member
  • Posts: 354
Reply 3 on: Yesterday
Gracias!

« previous next »
 

Did you know?

The toxic levels for lithium carbonate are close to the therapeutic levels. Signs of toxicity include fine hand tremor, polyuria, mild thirst, nausea, general discomfort, diarrhea, vomiting, drowsiness, muscular weakness, lack of coordination, ataxia, giddiness, tinnitus, and blurred vision.

Did you know?

According to the Migraine Research Foundation, migraines are the third most prevalent illness in the world. Women are most affected (18%), followed by children of both sexes (10%), and men (6%).

Did you know?

More than 30% of American adults, and about 12% of children utilize health care approaches that were developed outside of conventional medicine.

Did you know?

The U.S. Pharmacopeia Medication Errors Reporting Program states that approximately 50% of all medication errors involve insulin.

Did you know?

The heart is located in the center of the chest, with part of it tipped slightly so that it taps against the left side of the chest.

Continuous positive airway pressure (CPAP) device. The sleeping subject is receiving the benefits of Continuous positive airway pressure (CPAP) device. The sleeping subject is receiving the benefits of
Zones of personal touch Zones of personal touch
Extracorporeal shock-wave lithotripsy. Acoustic shock waves generated by the shock-wave generator ... Extracorporeal shock-wave lithotripsy. Acoustic shock waves generated by the shock-wave generator ...
Pressure Zones Drive Winds Pressure Zones Drive Winds
Ten longitudinal zones of reflexology. Ten longitudinal zones of reflexology.
Large areas of permafrost are melting Large areas of permafrost are melting
Video: Cleavage and Implantation Animation

For a complete list of videos, visit our video library