× Didn't find what you were looking for? Ask a question
Top Posters
Since Sunday
g
1
New Topic  
kay20213 kay20213
wrote...
7 years ago
With immediate and sustained action to stop production of all ozone-depleting chemicals:
 
  a. The ozone-hole problem will be solved immediately.
  b. It will take about 5 years for the earth's ozone layer to recover to 1980 levels.
  c. It will take about 30 years for the earth's ozone layer to recover to pre-1950 levels.
  d. It will take about 60 years for the earth's ozone layer to recover to pre-1950 levels.
  e. It will take about 60 years for the earth's ozone layer to recover to 1980 levels.
Read 85 times
1 Reply

Related Topics

Replies
wrote...
7 years ago
E
New Topic      
Explore
Post your homework questions and get free online help from our incredible volunteers
  1448 People Browsing
Related Images
  
 9663
  
 1384
  
 448
Your Opinion
What's your favorite coffee beverage?
Votes: 407