Answer:
d
Explanation:
cancer is examined by a doctor and they use needles and take sample of the cancer that is growing they then predict if you need treatment or not some people have cancer on there thyroid and in some cases may not even be cancerous
Answer:
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!
Answer:
it should be right atrium if that helps :)
Explanation:
