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

Author Question: A tank filled with manure, water and unused crop plant residues but which minimizes oxygen content ... (Read 133 times)

piesebel

  • Hero Member
  • *****
  • Posts: 565
A tank filled with manure, water and unused crop plant residues but which minimizes oxygen content could be used to
 
  A) produce biogas.
  B) produce biogas if the oxygen levels were adjusted to very high concentrations.
  C) burn unused parts of crop plants to generate heat for homes.
  D) collect and store carbon dioxide in underground wells.

Question 2

Volcanoes are triggered by
 
  A) changes in solar radiation.
  B) movement of tectonic plates.
  C) human mining activities.
  D) major changes in climate.



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

fdliggud

  • Sr. Member
  • ****
  • Posts: 366
Answer to Question 1

A

Answer to Question 2

B




piesebel

  • Member
  • Posts: 565
Reply 2 on: Jul 16, 2018
Wow, this really help


6ana001

  • Member
  • Posts: 311
Reply 3 on: Yesterday
Thanks for the timely response, appreciate it

 

Did you know?

In 1864, the first barbiturate (barbituric acid) was synthesized.

Did you know?

Street names for barbiturates include reds, red devils, yellow jackets, blue heavens, Christmas trees, and rainbows. They are commonly referred to as downers.

Did you know?

Individuals are never “cured” of addictions. Instead, they learn how to manage their disease to lead healthy, balanced lives.

Did you know?

Nearly 31 million adults in America have a total cholesterol level that is more than 240 mg per dL.

Did you know?

Looking at the sun may not only cause headache and distort your vision temporarily, but it can also cause permanent eye damage. Any exposure to sunlight adds to the cumulative effects of ultraviolet (UV) radiation on your eyes. UV exposure has been linked to eye disorders such as macular degeneration, solar retinitis, and corneal dystrophies.

For a complete list of videos, visit our video library