*blank 1* is a yellow brown haze that forms when sunlight reacts with air pollution. Breathing.*blank 2* people with respiratory diseases may need to limit their outdoor activities. can cause respiratory disease. When is heavy *blank 3*

Question

A second hand smoke

B dust

D carbon monoxide

D smog

Using the options above fill in the blanks

Answer 1

Here are the completed sentences with the appropriate options filled in the blanks:

Smog is a yellow brown haze that forms when sunlight reacts with air pollution. Breathing smog can cause respiratory disease. People with respiratory diseases may need to limit their outdoor activities. When there is heavy smog.