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

Author Question: Miscanthus is a hardy perennial grass that can be grown just to produce ethanol to replace some of ... (Read 23 times)

crobinson2013

  • Hero Member
  • *****
  • Posts: 535
Miscanthus is a hardy perennial grass that can be grown just to produce ethanol to replace some of the gasoline used to fuel automobiles. Unlike using corn grains to produce ethanol, the use of this grass to produce ethanol requires
 
  A) more fossil fuels than it currently saves.
  B) additional fertilizers and irrigation.
  C) prime soil that would otherwise be used to grow food crops.
  D) enzymes that break down cellulose to produce sugars.

Question 2

Current ethanol production as a fuel does not significantly reduce greenhouse gas emissions because
 
  A) of the amount of fossil fuels required to produce the corn used in the process.
  B) the process of fermentation produces a tremendous amount of carbon dioxide.
  C) the process of fermentation produces a tremendous amount of methane.
  D) burning ethanol or gasoline contributes the same net amount of carbon dioxide in the atmosphere.



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

carojassy25

  • Sr. Member
  • ****
  • Posts: 299
Answer to Question 1

D

Answer to Question 2

A




crobinson2013

  • Member
  • Posts: 535
Reply 2 on: Jul 16, 2018
:D TYSM


jackie

  • Member
  • Posts: 324
Reply 3 on: Yesterday
YES! Correct, THANKS for helping me on my review

 

Did you know?

Chronic necrotizing aspergillosis has a slowly progressive process that, unlike invasive aspergillosis, does not spread to other organ systems or the blood vessels. It most often affects middle-aged and elderly individuals, spreading to surrounding tissue in the lungs. The disease often does not respond to conventionally successful treatments, and requires individualized therapies in order to keep it from becoming life-threatening.

Did you know?

No drugs are available to relieve parathyroid disease. Parathyroid disease is caused by a parathyroid tumor, and it needs to be removed by surgery.

Did you know?

People with high total cholesterol have about two times the risk for heart disease as people with ideal levels.

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?

Women are 50% to 75% more likely than men to experience an adverse drug reaction.

For a complete list of videos, visit our video library