|
|
|
previous
- Page 6 -
next
|
|
|
|
|
Ozone protects us from the sun. Refrigerators, radiators, and other things are dangerous because of the gases they let out {CFCs and halons}. Those gases are so dangerous that it could get to global warming! So let's stop the gases!!
|
|
|
|
|
|
|
|