It can cause decreased immune function. Cancer, heart disease. Long term health issues. Your family can be at risk too from passive, second-hand smoke. Smoking puts those closest to you at risk.
B. Talk to a trusted adult!
They have more experience and would know what to do before things got out of hand!
(Edit): Forgive me, I did not see the part where it said to choose three
If this is a true or false question the answer would be False. Using a rake would be considered more physical activity than standing around using a leaf blower.