Question

Why is secondhand smoke an environmental risk?

Answer 1

Because , this smoke can be dangerous to a lot of things due to the chemicals that pollute the air which kids and animals can breathe in .

Answer 2

The reason why is because second hand smoke causes lung cancer in adults who have never ever smoked non smokers who are developed in second hand smoke for example at home or even at rick have over a 20 to 30 percent chance of developing lung cancer. hope this helps :)