Question

*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*

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*.