Answer:
I am all around, yet to me you are half blind. Sunlight makes me invisible and difficult to find. What am I?
With three leaves, I am just a plant. Add another leaf and everyone will want me for good luck. What am I?
Santa shakes his belly like a bowl full of me
You buy me to eat, but never eat me. What am I?
I am a certain five-letter word and become shorter when you add two letters to me. What am I?
What never gets any wetter no matter how hard it rains?