Question

Which item or items can contribute to heart disease?


A.ozone and particulate matter

B.ozone and nitrogen oxides

C.nitrogen oxides and carbon monoxide

D.carbon monoxide and sulfur dioxide

Answer 1

is it d?

Answer 2

I'd say A. but....

Answer 3

Nvm. I think it's A. In the textbooks they often refer "particulate matter" as "free radicals" which are one of the leading causes of heart disease. Did you learn about them?

Answer 4

yeah i wrote it in my notes somewhere but i forgot where it is.

Answer 5

thanks for your help

Answer 6

Okay, that's good. ;)