Author Question: Which of the following is true about quartz? A) It fractures in unpredictable patterns. B) It ... (Read 14 times)

audie

  • Hero Member
  • *****
  • Posts: 532
Which of the following is true about quartz?
 
  A) It fractures in unpredictable patterns.
  B) It forms eight-sided crystals.
  C) It has two directions of cleavage.
  D) It has three directions of cleavage.

Question 2

What is the unit of increase on the Mohs Relative Hardness Scale?
 
  A) An increase of one unit indicates the rock is twice as hard as the one before.
  B) An increase of one unit indicates the rock is seven times as hard as the one before.
  C) An increase of one unit indicates the rock is ten times as hard as the one before.
  D) The scale is variable.



jaaaaaaa

  • Sr. Member
  • ****
  • Posts: 341
Answer to Question 1

Answer: A

Answer to Question 2

Answer: D



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
 

Did you know?

Eating carrots will improve your eyesight. Carrots are high in vitamin A (retinol), which is essential for good vision. It can also be found in milk, cheese, egg yolks, and liver.

Did you know?

In the United States, congenital cytomegalovirus causes one child to become disabled almost every hour. CMV is the leading preventable viral cause of development disability in newborns. These disabilities include hearing or vision loss, and cerebral palsy.

Did you know?

Dogs have been used in studies to detect various cancers in human subjects. They have been trained to sniff breath samples from humans that were collected by having them breathe into special tubes. These people included 55 lung cancer patients, 31 breast cancer patients, and 83 cancer-free patients. The dogs detected 54 of the 55 lung cancer patients as having cancer, detected 28 of the 31 breast cancer patients, and gave only three false-positive results (detecting cancer in people who didn't have it).

Did you know?

The human body produces and destroys 15 million blood cells every second.

Did you know?

Most women experience menopause in their 50s. However, in 1994, an Italian woman gave birth to a baby boy when she was 61 years old.

For a complete list of videos, visit our video library