Author Question: An example of a material that has been both a resource and a reserve, depending on abundance, ... (Read 69 times)

jon_i

  • Hero Member
  • *****
  • Posts: 549

An example of a material that has been both a resource and a reserve, depending on abundance,
  economic conditions, and mining technology, is:
  a. platinum.
  b. gold.
  c. petroleum.
  d. iron.
  e. all of the above



Question 2

Which of the following is an example of a mineral resource?
  a. sand
  b. gold
  c. petroleum
  d. salt
  e. all of the above




bubulittle310@msn.cn

  • Sr. Member
  • ****
  • Posts: 281
Answer to Question 1

E

Answer to Question 2

E



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
 

Did you know?

The horizontal fraction bar was introduced by the Arabs.

Did you know?

More than one-third of adult Americans are obese. Diseases that kill the largest number of people annually, such as heart disease, cancer, diabetes, stroke, and hypertension, can be attributed to diet.

Did you know?

Tobacco depletes the body of vitamins A, C, and E, which can result in any of the following: dry hair, dry skin, dry eyes, poor growth, night blindness, abscesses, insomnia, fatigue, reproductive system problems, sinusitis, pneumonia, frequent respiratory problems, skin disorders, weight loss, rickets, osteomalacia, nervousness, muscle spasms, leg cramps, extremity numbness, bone malformations, decayed teeth, difficulty in walking, irritability, restlessness, profuse sweating, increased uric acid (gout), joint damage, damaged red blood cells, destruction of nerves, infertility, miscarriage, and many types of cancer.

Did you know?

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

Did you know?

Each year in the United States, there are approximately six million pregnancies. This means that at any one time, about 4% of women in the United States are pregnant.

For a complete list of videos, visit our video library