Answer:
I am a rock group with four members all of whom died in plane crashes. Who am I?
If you have me you want to share me. If you share me you don't have me. What am I?
Everyone has me, but nobody can lose me. What am I?
You can see me in water, but I never get wet. What am I?
I am alive without breath and cold as death. I am never thirsty but always drinking. What am I?
I touch the Earth, I touch the sky, but if I touch you, you’ll likely die. What am I?