Answer:
D. im pretty sure, it just makes sense
Avoiding secondhand smoke can help prevent lung cancer.
Answer:
Doubling over, pale complexion, tears, furrowed brows
Explanation:
<u>Doubling over</u> is a reaction to clench the stomach when someone is in pain. <u>Pale complexion</u> is a result of blood loss, fear, anxiety, dehydration/light headedness, and loss or red blood cells. <u>Tears</u> (depending on the context) are a way to let out emotion - both sad and happy. <u>Furrowed brows</u> is usually a sign of discomfort which is usually a consequence of worrying too much or crying too much, both of which require face muscles to tense for a long(ish) period of time.
C. Drug abuse is when you become dependent on that drug and "need it to survive." People abusing drugs will do whatever necessary to get more drugs, even dangerous and illegal things. Even prescription drugs (drugs taken for medical purposes) can be abused if you take more than prescribed. I hope this helps :)