Question

What portion of the electromagnetic spectrum can human eyes detect?

A.
visible light

B.
visible light and infrared light

C.
infrared light

D.
infrared light and ultraviolet light

Answer 1

that one is visible light so A

Answer 2

yay thx i passed it

Answer 3

Visible light is the only emr we can detect with our eyes, the rest we need tools that go beyond our senses. :)

Answer 4

the clue is in the word 'visible'...

Answer 5

a

Answer 6

IT IS A they have done it> :)

Answer 7

a