The third layer of the eye, the (1) , receives light rays and images and passes them on to the (2) nerve.

(1)retina
sclera
choriod

(2)auditory
olfactory
optic

9. wind power creates pollution. water air soil noise

Is there any solid scientific evidence that humans have been cloned?

What do isotopes of uranium have the same number of? what do they have a different number of? a) same number of protons; different number of electrons b) same number of protons; different number of neutrons c) same number of electrons; different number of protons d) same number of neutrons; different number of protons