« previous next »

Author Question: Even if all CFC production could be stopped today, the ozone depletion problem in the stratosphere ... (Read 204 times)

PhilipSeeMore

  • Hero Member
  • *****
  • Posts: 561
on: Aug 27, 2018
Even if all CFC production could be stopped today, the ozone depletion problem in the stratosphere would continue for many years because
 
  A) some nations would not follow the ban.
  B) CFCs are produced naturally in the troposphere.
  C) CFCs are widespread and very stable in the troposphere.
  D) ozone is naturally depleted by sunlight.

Question 2

The structures that contains single bonds and an oxygen are
 
  A) alcohols and ethers.
  B) aldehydes and ketones.
  C) carboxylic acids and esters.
  D) alkenes.


helenmarkerine

  • Sr. Member
  • ****
  • Posts: 324
Reply #1 on: Aug 27, 2018
Answer to Question 1

C

Answer to Question 2

A


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
« previous next »
 

Did you know?

Before a vaccine is licensed in the USA, the Food and Drug Administration (FDA) reviews it for safety and effectiveness. The CDC then reviews all studies again, as well as the American Academy of Pediatrics and the American Academy of Family Physicians. Every lot of vaccine is tested before administration to the public, and the FDA regularly inspects vaccine manufacturers' facilities.

Did you know?

Autoimmune diseases occur when the immune system destroys its own healthy tissues. When this occurs, white blood cells cannot distinguish between pathogens and normal cells.

Did you know?

Astigmatism is the most common vision problem. It may accompany nearsightedness or farsightedness. It is usually caused by an irregularly shaped cornea, but sometimes it is the result of an irregularly shaped lens. Either type can be corrected by eyeglasses, contact lenses, or refractive surgery.

Did you know?

Asthma cases in Americans are about 75% higher today than they were in 1980.

Did you know?

There are more nerve cells in one human brain than there are stars in the Milky Way.

Happened to me today. Happened to me today.
Ozone Depletion—A Global Issue Ozone Depletion—A Global Issue
The apples of today are larger and sweeter than their ancestors, thanks to hundreds of years The apples of today are larger and sweeter than their ancestors, thanks to hundreds of years
Problem Solving: Aha! Moments Problem Solving: Aha! Moments
Gravitational Potential Energy for the Earth problem Gravitational Potential Energy for the Earth problem
Gravitational Force Due to a Distribution of Mass problem 2 Gravitational Force Due to a Distribution of Mass problem 2
Video: Deafness Culture

For a complete list of videos, visit our video library