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

Author Question: The major source(s) of chlorofluorocarbons (CFCs) in the atmosphere was/were ________. A) ... (Read 52 times)

Pea0909berry

  • Hero Member
  • *****
  • Posts: 573
The major source(s) of chlorofluorocarbons (CFCs) in the atmosphere was/were ________.
 
  A) microbial fermentation of organic matter in coal mines, oil wells, and livestock
  B) combustion of fossil fuels
  C) refrigerants, solvents, and spray propellants
  D) burning of fossil fuels and coal
  E) emissions from automobile exhaust and chemical fertilizers

Question 2

Which of the following nonhuman-related causes has most likely contributed the most to the increase in malaria in Africa?
 
  A) increased difficulty in treating malaria with antibiotics
  B) growing urban populations
  C) increased insecticide resistance
  D) increased vulnerability of HIV-infected humans to malaria
  E) less money for mosquito abatement programs


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

moormoney

  • Sr. Member
  • ****
  • Posts: 326
Lorsum iprem. Lorsus sur ipci. Lorsem sur iprem. Lorsum sur ipdi, lorsem sur ipci. Lorsum sur iprium, valum sur ipci et, vala sur ipci. Lorsem sur ipci, lorsa sur iprem. Valus sur ipdi. Lorsus sur iprium nunc, valem sur iprium. Valem sur ipdi. Lorsa sur iprium. Lorsum sur iprium. Valem sur ipdi. Vala sur ipdi nunc, valem sur ipdi, valum sur ipdi, lorsem sur ipdi, vala sur ipdi. Valem sur iprem nunc, lorsa sur iprium. Valum sur ipdi et, lorsus sur ipci. Valem sur iprem. Valem sur ipci. Lorsa sur iprium. Lorsem sur ipci, valus sur iprem. Lorsem sur iprem nunc, valus sur iprium.
Answer Preview
Only 29% of students answer this correctly




Pea0909berry

  • Member
  • Posts: 573
Reply 2 on: Jul 14, 2018
YES! Correct, THANKS for helping me on my review


ricroger

  • Member
  • Posts: 352
Reply 3 on: Yesterday
:D TYSM

 

Did you know?

About one in five American adults and teenagers have had a genital herpes infection—and most of them don't know it. People with genital herpes have at least twice the risk of becoming infected with HIV if exposed to it than those people who do not have genital herpes.

Did you know?

The horizontal fraction bar was introduced by the Arabs.

Did you know?

The tallest man ever known was Robert Wadlow, an American, who reached the height of 8 feet 11 inches. He died at age 26 years from an infection caused by the immense weight of his body (491 pounds) and the stress on his leg bones and muscles.

Did you know?

The average office desk has 400 times more bacteria on it than a toilet.

Did you know?

Most childhood vaccines are 90–99% effective in preventing disease. Side effects are rarely serious.

For a complete list of videos, visit our video library