Answer:
I can be red blue purple and green. No one can reach me not even the queen.
I am a time for gathering crops. Remove the first three letters and I become an object you can wear.
What is cut on a table but is never eaten?
It's red liquid but not liquid and it's not red. What is it?
I save lives on the ground and in the air. What am I?
Whoever made me don't want me. Whoever bought me don't need me. Whoever use me don't know me.