Answer:
What ship has no captain but two mates?
What never gets any wetter no matter how hard it rains?
What is the middle of water but is not an island?
What starts with an "e" but only has a single letter in it?
Temporary evidence of where you've been strolling
I repeat only the last word you say. The more I repeat, the softer I got. I cannot be seen but can be heard. What am I?