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

Author Question: What is petroleum? a) Gas hydrates of methane and carbon dioxide b) Minerals deposited from ... (Read 45 times)

chandani

  • Hero Member
  • *****
  • Posts: 541
on: Aug 22, 2018
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
Reply #1 on: Aug 22, 2018
Answer to Question 1

C

Answer to Question 2

B


chandani

  • Member
  • Posts: 541
Reply 2 on: Aug 22, 2018
Great answer, keep it coming :)

Missbam101

  • Member
  • Posts: 341
Reply 3 on: Yesterday
Excellent

« previous next »
 

Did you know?

By definition, when a medication is administered intravenously, its bioavailability is 100%.

Did you know?

Disorders that may affect pharmacodynamics include genetic mutations, malnutrition, thyrotoxicosis, myasthenia gravis, Parkinson's disease, and certain forms of insulin-resistant diabetes mellitus.

Did you know?

As the western states of America were settled, pioneers often had to drink rancid water from ponds and other sources. This often resulted in chronic diarrhea, causing many cases of dehydration and death that could have been avoided if clean water had been available.

Did you know?

Drug-induced pharmacodynamic effects manifested in older adults include drug-induced renal toxicity, which can be a major factor when these adults are experiencing other kidney problems.

Did you know?

There are more sensory neurons in the tongue than in any other part of the body.

Carbon Cycle Carbon Cycle
Non-Carbon Organic Molecules Non-Carbon Organic Molecules
Carbon Dioxide, Trace Gases, and Climate Change Carbon Dioxide, Trace Gases, and Climate Change
Carbon Orbitals Carbon Orbitals
Minerals are nonrenewable resources in limited supply Minerals are nonrenewable resources in limited supply
carbon cycle carbon cycle
Video: Types of Shock (Part 2 of 2)

For a complete list of videos, visit our video library