What Am I Riddles

Question: Silent yet deafening. Invisible, but you know it's there. It can either make you laugh or it can make you cry. What is it?

Question: I have mountains but no heights I have seas but no water I have forests but no trees I have North & South & East & even West, but no direction What am I?

Question: What has a bed that you can't sleep in?

Question: Thousands of orphans who lost their old home,
found by others who have lost their own.
To hide a secret that is obvious to all,
becomes even more obvious when the host falls.

What am I?

Question: Take away my first, I still sound the same. Take away my last, I stil sound the same. What am I?