Question

Sulfur and nitrogen compounds in the air can combine to form what type of pollution?%0D%0A%0D%0AA. %0D%0Aozone%0D%0A%0D%0A%0D%0AB. %0D%0Ahay fever%0D%0A%0D%0A%0D%0AC. %0D%0Asmog%0D%0A%0D%0A%0D%0AD. %0D%0Aammonia

Answer 1

C. Smog