This topic contains a solution. Click here to go to the answer

Author Question: Which marine resource is too expensive to recover at this time due to the low market value of the ... (Read 55 times)

tsand2

  • Hero Member
  • *****
  • Posts: 520

Which marine resource is too expensive to recover at this time due to the low market value of the resource?
  a. Magnesium compounds
  b. Manganese nodules
  c. Sand and gravel
  d. Salt
  e. Rare-earth elements



Question 2

What is the largest known reservoir of hydrocarbons on Earth?
  a. Coal deposits
  b. Oil reserves
  c. Ethane pools
  d. Natural gas
  e. Methane hydrate




Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

srodz

  • Sr. Member
  • ****
  • Posts: 333
Answer to Question 1

b

Answer to Question 2

e




tsand2

  • Member
  • Posts: 520
Reply 2 on: Aug 22, 2018
Great answer, keep it coming :)


apple

  • Member
  • Posts: 352
Reply 3 on: Yesterday
Wow, this really help

 

Did you know?

Your heart beats over 36 million times a year.

Did you know?

Cancer has been around as long as humankind, but only in the second half of the twentieth century did the number of cancer cases explode.

Did you know?

It is believed that humans initially contracted crabs from gorillas about 3 million years ago from either sleeping in gorilla nests or eating the apes.

Did you know?

The strongest synthetic topical retinoid drug available, tazarotene, is used to treat sun-damaged skin, acne, and psoriasis.

Did you know?

There are 20 feet of blood vessels in each square inch of human skin.

For a complete list of videos, visit our video library