Answer:
What five-letter word becomes shorter when you add two letters to it?
I've been argued on my color. Without me you'll die. So many attempts on your life use me so make sure you have many of my White friends.
What tastes better than it smells?
I'm a kind of cup that doesn't hold water, but makes a lot of noise repeatedly. What am I?
What force and strength cannot get through, I with my unique teeth can do. What am I?
Give it food and it will live, give it water and it will die.