Answer:
Always in you, sometimes on you. If I surround you, I can kill you. What am I?
You heard me before and then again. Afterward I die, until you call me again. What am I?
What word has kst in the middle, in the beginning, and at the end?
I can swim but never get wet. I can run but never get tired. I follow you everywhere but never say a word.
I go up when the rain comes down. What am I?
They come to witness the night without being called, a sailor's guide and a poet's tears. They are lost to the sight each day without the hand of a thief.