Answer:
Always in you, sometimes on you. If I surround you, I can kill you. What am I?
I'm found on Windows yet I am just a decoration. What am I?
I can generate fear and some say I come out of your ears. I am as quiet as a mouse but not welcomed in the house. What am I?
I am whole but incomplete. I have no eyes, yet I see. My largest part is one fourth of what I once was. What am I?
Iām hard as a rock and as light as a feather. Iām passed on to one another. Poor people need me and rich people have me.
Whoever made me don't want me. Whoever bought me don't need me. Whoever use me don't know me.