Answer:
1, 3 and possibly 5. I'm not entirely sure though :)
A gas commonly found in smog is ozone. Correct answer: A
Smog generally occurs in the lower part of the atmosphere is composed mainly of tropospheric ozone (O3), primary particulate matter such as pollen and dust; and secondary particulate matter such as sulphur oxides, volatile organic compounds, nitrogen oxides (NOx) and ammonia gas.
Animals expel energy to keep warm
I dont like to eat or drink anything. I havent done that in a few weeks :/
