Answer:
I get thrown in the air and will fall down. I get thrown down and I will rise in the air. What am I?
I run cold and hot, I look blue but am red. What am I?
I love spinach.
I start new then become old. Start clean but be one dirty. I usually start big then become little.
I help boats park
Whoever made me don't want me. Whoever bought me don't need me. Whoever use me don't know me.