A jeweler wants to authenticate if a stone brought in by a client is a real diamond. He shines a laser at the diamond with an incident angle of 42.3" A table listing the indices of refraction in the Snell's Law PhEt. What should the angle of refraction be?

28. evolution

29. environment, survive, offspring  

explanation:

it becomes positively charged by charging it

there is no correct list among the choices you've provided.

the list might look something like this:

-- baby human

-- piccolo

-- flute

-- soprano singer

-- trumpet

-- tenor singer

-- trombone

-- baritone singer

-- baritone horn

-- bass singer

-- tuba

since i had to make up the list myself, i made it easy on myself, and i didn't try to shuffle the string instruments and woodwinds into it too.