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 144 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?

Vaccines prevent between 2.5 and 4 million deaths every year.

Did you know?

The immune system needs 9.5 hours of sleep in total darkness to recharge completely.

Did you know?

The use of salicylates dates back 2,500 years to Hippocrates’s recommendation of willow bark (from which a salicylate is derived) as an aid to the pains of childbirth. However, overdosage of salicylates can harm body fluids, electrolytes, the CNS, the GI tract, the ears, the lungs, the blood, the liver, and the kidneys and cause coma or death.

Did you know?

Elderly adults are at greatest risk of stroke and myocardial infarction and have the most to gain from prophylaxis. Patients ages 60 to 80 years with blood pressures above 160/90 mm Hg should benefit from antihypertensive treatment.

Did you know?

Earwax has antimicrobial properties that reduce the viability of bacteria and fungus in the human ear.

Human Skeleton Human Skeleton
Bulging Eyes Of The Tarsier Provide Insight Into Evolution Of Human Vision Bulging Eyes Of The Tarsier Provide Insight Into Evolution Of Human Vision
Kinetic Energy Kinetic Energy
The Sun and the radiant energy The Sun and the radiant energy
Bt corn has been genetically engineered to produce a protein Bt corn has been genetically engineered to produce a protein
A slice of cheese pizza has a caloric content of 150 Cal. If this energy could b A slice of cheese pizza has a caloric content of 150 Cal. If this energy could b
Video: Component of feedback systems & Communication and regulation of body systems

For a complete list of videos, visit our video library