« previous next »

Author Question: Which two minerals define a felsic composition? A) Pyroxene and amphibole B) Muscovite and ... (Read 74 times)

jman1234

  • Hero Member
  • *****
  • Posts: 560
on: Jul 16, 2018
Which two minerals define a felsic composition?
 
  A) Pyroxene and amphibole
  B) Muscovite and biotite micas
  C) Quartz and potassium feldspar
  D) Plagioclase feldspar and biotite mica

Question 2

Peridotite is the main constituent of which part of the Earth?
 
  A) Crust
  B) Magma chambers
  C) Rift zones
  D) Upper mantle


kjohnson

  • Sr. Member
  • ****
  • Posts: 330
Reply #1 on: Jul 16, 2018
Answer to Question 1

Answer: C

Answer to Question 2

Answer: D


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
« previous next »
 

Did you know?

Women are 50% to 75% more likely than men to experience an adverse drug reaction.

Did you know?

Colchicine is a highly poisonous alkaloid originally extracted from a type of saffron plant that is used mainly to treat gout.

Did you know?

Acute bronchitis is an inflammation of the breathing tubes (bronchi), which causes increased mucus production and other changes. It is usually caused by bacteria or viruses, can be serious in people who have pulmonary or cardiac diseases, and can lead to pneumonia.

Did you know?

Approximately 500,000 babies are born each year in the United States to teenage mothers.

Did you know?

The Babylonians wrote numbers in a system that used 60 as the base value rather than the number 10. They did not have a symbol for "zero."

Changes in boreal forest composition along a chronosequence in Quebec. Dates refer to the year of th Changes in boreal forest composition along a chronosequence in Quebec. Dates refer to the year of th
Blood Composition Blood Composition
Composition of the Atmosphere Composition of the Atmosphere
The Amounts of the Different Minerals in Your Body The major minerals are present in larger amounts The Amounts of the Different Minerals in Your Body The major minerals are present in larger amounts
Percentage of youth age 15 to 19 years with at-risk levels of body composition & fitness Percentage of youth age 15 to 19 years with at-risk levels of body composition & fitness
The amino acid lysine has the percent composition 49.3% C, 9.59% H, 19.2% N, and The amino acid lysine has the percent composition 49.3% C, 9.59% H, 19.2% N, and
Video: Bone Healing Animation

For a complete list of videos, visit our video library