What would happen if the incidence light ray equal the normal line?

i believe the answer would be:

d. violin, clarinet, french horn, and tuba

a sonic boom is a loud boom that breaks the sound barrier

explanation:

myth. it was once thought that animals, including cats and dogs, could only see in black and white. however, scientists have proven this to be a myth. in all animals, including humans, the perception of colour is determined by the presence of cells in the eye called cone photoreceptors.

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