Answer:
number 1 d
number 2 a
Explanation:
1) CFC
2) acid rain
3) the greenhouse effect
4) smog
5) Carbon Monoxide
6) Air pollution
I THINK THESE ARE THE ANSWERS
SORRY IF IT IS WRONG!
Piercing your ears with a needle that has been washed thoroughly with soap and water
a she broke a few ribs
I am sure