Short Riddles and Answers

Question: Have a question , regardless you ask any people , that people only give you answer is " no " , what is this question ??

Question: I live in your house yet, you do not love me. I eat your food, yet you squeal in fright at the sight of me. What am I?

Question: Using 16 coins, how can you make $1 by using pennies, nickels, dimes, and quarters? Hint: There is only 1 quarter.

Question: Surrounded by life , yet life is its biggest enemy. But without life there is no need for it to exist. What is it?

Question: I fly, yet I have no wings. I cry, yet I have no eyes. Darkness follows me; lower light I never see.

What am I?