Answer:
The more you have of me, the less you see. Who am I?
What dentists battle on a daily basis
Possibly the word most commonly said before taking a sip
What do you call the motherยญ-in-ยญlaw of your sister's husband?
When is 1500 plus 20 and 1600 minus 40 the same thing?
I am used for light yet I am solid. Without me you would feel enclosed. I hate being touched especially with a lot of force. I like to be in buildings.