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

Author Question: ________ is molten rock that is below the Earth's surface and retains most of its volcanic gases. ... (Read 63 times)

strangeaffliction

  • Hero Member
  • *****
  • Posts: 660
on: Jul 16, 2018
________ is molten rock that is below the Earth's surface and retains most of its volcanic gases.
 
  A) Lava
  B) Pumice
  C) Magma
  D) Volatiles

Question 2

Describe how magnesium can be exchanged for iron in olivine without destroying the internal framework of the mineral.
 
  What will be an ideal response?


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

sylvia

  • Sr. Member
  • ****
  • Posts: 331
Reply #1 on: Jul 16, 2018
Answer to Question 1

Answer: C

Answer to Question 2

Answer: Magnesium and ferrous iron both have charges of 2+, so they can be switched in the mineral structure without too much trouble because the ions are roughly the same size.


strangeaffliction

  • Member
  • Posts: 660
Reply 2 on: Jul 16, 2018
YES! Correct, THANKS for helping me on my review

CAPTAINAMERICA

  • Member
  • Posts: 325
Reply 3 on: Yesterday
Great answer, keep it coming :)

« previous next »
 

Did you know?

The average human gut is home to perhaps 500 to 1,000 different species of bacteria.

Did you know?

Addicts to opiates often avoid treatment because they are afraid of withdrawal. Though unpleasant, with proper management, withdrawal is rarely fatal and passes relatively quickly.

Did you know?

There are 20 feet of blood vessels in each square inch of human skin.

Did you know?

Adolescents often feel clumsy during puberty because during this time of development, their hands and feet grow faster than their arms and legs do. The body is therefore out of proportion. One out of five adolescents actually experiences growing pains during this period.

Did you know?

According to the FDA, adverse drug events harmed or killed approximately 1,200,000 people in the United States in the year 2015.

Life on Earth Life on Earth
Surface Features on Titan Surface Features on Titan
The geomagnetic polarity time scale shows how Earth’s magnetic pole has changed through geologic tim The geomagnetic polarity time scale shows how Earth’s magnetic pole has changed through geologic tim
Changes in Land Configuration and Surface Characteristics Changes in Land Configuration and Surface Characteristics
The Role of Gases in the Atmosphere The Role of Gases in the Atmosphere
Binding of a chylomicron to lipoprotein lipase on the inner surface of a capillary Binding of a chylomicron to lipoprotein lipase on the inner surface of a capillary
Video: Appendicitis Animation

For a complete list of videos, visit our video library