Author Question: Igneous rocks are classified according to their silica content, or color, and their ______________. ... (Read 70 times)

james0929

  • Hero Member
  • *****
  • Posts: 586
Igneous rocks are classified according to their silica content, or color, and their ______________.
 Fill in the blank(s) with correct word

Question 2

The physical characteristic that is used to distinguish intrusive igneous rocks from extrusive igneous rocks is ______________.
 Fill in the blank(s) with correct word



abro1885

  • Sr. Member
  • ****
  • Posts: 337
Answer to Question 1

texture, or grain size

Answer to Question 2

texture, or grain size



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
 

Did you know?

There are major differences in the metabolism of morphine and the illegal drug heroin. Morphine mostly produces its CNS effects through m-receptors, and at k- and d-receptors. Heroin has a slight affinity for opiate receptors. Most of its actions are due to metabolism to active metabolites (6-acetylmorphine, morphine, and morphine-6-glucuronide).

Did you know?

Only one in 10 cancer deaths is caused by the primary tumor. The vast majority of cancer mortality is caused by cells breaking away from the main tumor and metastasizing to other parts of the body, such as the brain, bones, or liver.

Did you know?

Multiple sclerosis is a condition wherein the body's nervous system is weakened by an autoimmune reaction that attacks the myelin sheaths of neurons.

Did you know?

For about 100 years, scientists thought that peptic ulcers were caused by stress, spicy food, and alcohol. Later, researchers added stomach acid to the list of causes and began treating ulcers with antacids. Now it is known that peptic ulcers are predominantly caused by Helicobacter pylori, a spiral-shaped bacterium that normally exist in the stomach.

Did you know?

It is believed that the Incas used anesthesia. Evidence supports the theory that shamans chewed cocoa leaves and drilled holes into the heads of patients (letting evil spirits escape), spitting into the wounds they made. The mixture of cocaine, saliva, and resin numbed the site enough to allow hours of drilling.

For a complete list of videos, visit our video library