Easy Riddles and Answers

Question: Feathers, I am as light,
But quite heavy if squeezed tight.
I'm seen as clean and pure,
but often talked about with dirty terms.
What am I?

Question: A computer walks up to two stores, one called '1', and one called '0'. Which does it choose?

Question: Which is correct, 9 and 5 is 13 or 9 plus 5 is 13?

Question: I was the first and now I am the one.

What am I?

Question: What takes you up and brings you down but never moves?