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

Author Question: What is petroleum? a) Gas hydrates of methane and carbon dioxide b) Minerals deposited from ... (Read 50 times)

chandani

  • Hero Member
  • *****
  • Posts: 541
What is petroleum?
 
  a) Gas hydrates of methane and carbon dioxide
  b) Minerals deposited from biogenous secretions
  c) Oil and natural gas formed from remains of ancient microorganisms buried within marine sediments
  d) A combination of siliceous and calcium carbonate oozes that decompose

Question 2

What is the significance of stromatolites?
 
  a) They are composed of benthic patches of bacteria found at hydrothermal vents.
  b) Cyanobacteria produce carbonate structures in warm shallow seas that can date back to 3 billion years ago.
  c) They are composed of siliceous deposits of diatoms and dinoflagellates.
  d) They are composed of biogenous deposits of foraminiferans and coccolithophores.



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

cadimas

  • Sr. Member
  • ****
  • Posts: 362
Answer to Question 1

C

Answer to Question 2

B




chandani

  • Member
  • Posts: 541
Reply 2 on: Aug 22, 2018
Wow, this really help


upturnedfurball

  • Member
  • Posts: 334
Reply 3 on: Yesterday
Excellent

 

Did you know?

Women are two-thirds more likely than men to develop irritable bowel syndrome. This may be attributable to hormonal changes related to their menstrual cycles.

Did you know?

The newest statin drug, rosuvastatin, has been called a superstatin because it appears to reduce LDL cholesterol to a greater degree than the other approved statin drugs.

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?

Patients who have been on total parenteral nutrition for more than a few days may need to have foods gradually reintroduced to give the digestive tract time to start working again.

Did you know?

Pubic lice (crabs) are usually spread through sexual contact. You cannot catch them by using a public toilet.

For a complete list of videos, visit our video library