Please help me solve this but also explain the steps please. I know bits and pieces of how to go about it but I’m confused on how to do it all the way through smoothly. Thank you:)

Astudent wears sunglasses to her read a book more easily which wave interaction occurs as light passes from the air into the plastic lenses? a polarization b.refraction c.diffraction d. interference

Hen a gfci receptacle device is installed on a 20-ampere branch circuit (12 awg copper), what is the minimum volume allowance (in cubic inches) required for conductor fill for each conductor in the outlet box?

Which accounts for an increase in the temperature of a gas that is kept a constant volume