Answer:
I am all around you, but you cannot see me. I have no throat, but you can hear me. Valued during summer but despised in the winter. What am I?
I have keys but no locks. I have space but no room. You can enter but can't go outside. What am I?
I am a kind of coat that can only be put on when wet. What am I?
I am found on Mercury Venus Earth and Mars but not on Jupiter or Saturn. What am I?
You use me from your head to your toes. The more I work, the thinner I grow. What am I?
What made Cyclops quit teaching?