Answer:
I fly when I'm on and float coming off.
I wear a green jacket on the outside white jacket as a second layer and red jacket inside. I am pregnant with a lot of babies. (one word)
When you stop and look you can always see me. If you try to touch you cannot feel me. I cannot move but as you near me I will move away from you.
I am the word that has three syllables and twenty six letters. What am I?
I am flora, not fauna. I am foliage, not trees. I am shrubbery, not grass. What am I?
No matter how little or how much you use me, you change me every month.