Light is travelling from Ruby stone to air. The critical angle of ruby stone is 35°. Its refractive index is approximately equal to
Select one:
a. 1.33
b. 1.74
C. 1.52

no link

explanation:

falling water hydro = water .. spectcular places these plants are

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.

talk back to him about the sport and show him your expertise or leave the room