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

Author Question: A vesicular felsic rock is called a: a. pumice. b. scoria. c. obsidian. d. tuff. e. volcanic ... (Read 58 times)

saraeharris

  • Hero Member
  • *****
  • Posts: 546
on: Jul 15, 2018

A vesicular felsic rock is called a:
  a. pumice.
  b. scoria.
  c. obsidian.
  d. tuff.
  e. volcanic breccia



Question 2

Natural glass, such as obsidian, forms when magma:a.
   cools too rapidly for crystals to form.
  b. cools rapidly and very tiny crystals form.
  c. cools too slowly for crystals to form.
  d. doesn't cool.
  e. none of these.



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

jesse.fleming

  • Sr. Member
  • ****
  • Posts: 301
Reply #1 on: Jul 15, 2018
Answer to Question 1

A

Answer to Question 2

A


saraeharris

  • Member
  • Posts: 546
Reply 2 on: Jul 15, 2018
YES! Correct, THANKS for helping me on my review

Sarahjh

  • Member
  • Posts: 370
Reply 3 on: Yesterday
Thanks for the timely response, appreciate it

« previous next »
 

Did you know?

Despite claims by manufacturers, the supplement known as Ginkgo biloba was shown in a study of more than 3,000 participants to be ineffective in reducing development of dementia and Alzheimer’s disease in older people.

Did you know?

Drug abusers experience the following scenario: The pleasure given by their drug (or drugs) of choice is so strong that it is difficult to eradicate even after years of staying away from the substances involved. Certain triggers may cause a drug abuser to relapse. Research shows that long-term drug abuse results in significant changes in brain function that persist long after an individual stops using drugs. It is most important to realize that the same is true of not just illegal substances but alcohol and tobacco as well.

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 the United States, an estimated 50 million unnecessary antibiotics are prescribed for viral respiratory infections.

Did you know?

More than 4.4billion prescriptions were dispensed within the United States in 2016.

Some male birds and mammals congregate in communal courting grounds called leks. Some male birds and mammals congregate in communal courting grounds called leks.
Persian leopard (Panthera pardus ciscaucasica), also called Caucasian leopard Persian leopard (Panthera pardus ciscaucasica), also called Caucasian leopard
Monitoring Volcanic Activity Monitoring Volcanic Activity
A resonance tube, called a Helmholtz resonator, is used on the intake duct between the air filter ... A resonance tube, called a Helmholtz resonator, is used on the intake duct between the air filter ...
Rock-cut Tombs, Beni Hasan Rock-cut Tombs, Beni Hasan
Calculate the velocity of the red rock after collision Angle measured counterclockwise from the ... Calculate the velocity of the red rock after collision Angle measured counterclockwise from the ...
Video: Type of Transport - Active and Passive Processes

For a complete list of videos, visit our video library