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

Author Question: Distinguish between rhyolite tuff and welded tuff.[br][br][b][color=#A83E49]Question ... (Read 57 times)

imanialler

  • Hero Member
  • *****
  • Posts: 539
on: Jul 13, 2018
Distinguish between rhyolite tuff and welded tuff.

Question 2

The Archean atmosphere can best be described as ____.
 A)oxygen-rich
 B)nitrogen-rich
 C)ozone-rich
 D)oxygen-deficient
 E)rich in carbon dioxide


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

Eunice618

  • Sr. Member
  • ****
  • Posts: 350
Reply #1 on: Jul 13, 2018
Answer to Question 1

Most tuff is silica rich, light colored, and is called rhyolite tuff. However, some ash flows are so hot that as they come to rest, the ash particles fuse together and form a welded tuff.

Answer to Question 2

D


imanialler

  • Member
  • Posts: 539
Reply 2 on: Jul 13, 2018
Gracias!

bigsis44

  • Member
  • Posts: 317
Reply 3 on: Yesterday
Excellent

« previous next »
 

Did you know?

Thyroid conditions cause a higher risk of fibromyalgia and chronic fatigue syndrome.

Did you know?

The immune system needs 9.5 hours of sleep in total darkness to recharge completely.

Did you know?

Giardia is one of the most common intestinal parasites worldwide, and infects up to 20% of the world population, mostly in poorer countries with inadequate sanitation. Infections are most common in children, though chronic Giardia is more common in adults.

Did you know?

Studies show that systolic blood pressure can be significantly lowered by taking statins. In fact, the higher the patient's baseline blood pressure, the greater the effect of statins on his or her blood pressure.

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.

An example of color blindness test. A person with red-green color blindness would not be able to dis An example of color blindness test. A person with red-green color blindness would not be able to dis
Urinalysis. During a simple urinalysis, a stick with colored blocks is dipped into a urine specimen. Urinalysis. During a simple urinalysis, a stick with colored blocks is dipped into a urine specimen.
Temperature and Color Temperature and Color
Color-enhanced electron micrograph of E. coli undergoing cell division Color-enhanced electron micrograph of E. coli undergoing cell division
economic question economic question
Question about Resultant of gravitational force? Question about Resultant of gravitational force?
Video: Mutations and translation

For a complete list of videos, visit our video library