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

Author Question: In a modern society, approximately what percentage of human energy is used to produce food? A) 10 ... (Read 135 times)

schs14

  • Hero Member
  • *****
  • Posts: 569
on: Aug 27, 2018
In a modern society, approximately what percentage of human energy is used to produce food?
 
  A) 10
  B) 25
  C) 45
  D) 65

Question 2

Which of the following statements about ethylene and polyethylene is true?
 
  A) The polymer has the same properties as the monomer.
  B) The polymer has alternating double and single bonds between carbons, while the monomer has only single bonds between carbons.
  C) The polymer has alternating double and single bonds between carbons, while the monomer has only double bonds between carbons.
  D) The polymer has only single bonds between carbons, while the monomer has only double bonds between carbons.


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

maaaaaaaaaa

  • Sr. Member
  • ****
  • Posts: 336
Reply #1 on: Aug 27, 2018
Answer to Question 1

A

Answer to Question 2

D


schs14

  • Hero Member
  • *****
  • Posts: 569
Reply #2 on: Aug 27, 2018
TY


maaaaaaaaaa

  • Sr. Member
  • ****
  • Posts: 336
Reply #3 on: Aug 27, 2018
You're welcome


« previous next »
 

Did you know?

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

Did you know?

After a vasectomy, it takes about 12 ejaculations to clear out sperm that were already beyond the blocked area.

Did you know?

Patients who have undergone chemotherapy for the treatment of cancer often complain of a lack of mental focus; memory loss; and a general diminution in abilities such as multitasking, attention span, and general mental agility.

Did you know?

The National Institutes of Health have supported research into acupuncture. This has shown that acupuncture significantly reduced pain associated with osteoarthritis of the knee, when used as a complement to conventional therapies.

Did you know?

Illicit drug use costs the United States approximately $181 billion every year.

Baby Gorilla versus Baby Human Baby Gorilla versus Baby Human
The frontal lobe (green) bounded by the Sylvian fissure (yellow line) and central sulcus (red line), The frontal lobe (green) bounded by the Sylvian fissure (yellow line) and central sulcus (red line),
This map shows the percentage of Protestants by state in Germany. When compared to the previous map This map shows the percentage of Protestants by state in Germany. When compared to the previous map
Twelve primary energy channels and the Conception and Governing Vessels of Traditional Chinese ... Twelve primary energy channels and the Conception and Governing Vessels of Traditional Chinese ...
Human Activities and the Environment Human Activities and the Environment
Replication of human immunodeficiency virus Replication of human immunodeficiency virus
Video: Cataract

For a complete list of videos, visit our video library