Answer:
"Anyone exposed to second hand smoke ARE at risk for the..."
Explanation:
Are should be changes to is I think
Answer:
1.To gain knowledge the inner will to do so is a must.
2.The quality of learning and hard work
3.You should never count on anyone to teach you, but should try to learn by yourself.
4.Ability of self study is something that can be called a trussure when we speak about attaining knowledge.
5.And dont forget to teach weak students so they too will get helped by you
THE LAST POINT I TOLD YOU IS ON THE BASIS OF "THE MORE YOU SHARE, THE MORE YOU LEARN"