D: of how social issues affect the spread of disease
B. It provides aid to the victims of natural disasters and wars.
The answer is evolutionary!
I hope I was able to help. :)
Answer: please mark brainlest
There is no link to information about clinical trials on the company website
Explanation:
<span>When light enters the eye, it first passes through the cornea, then the aqueous humor, lens and vitreous humor. Ultimately it reaches the retina, which is the light-sensing structure of the eye. The retina contains two types of cells, called rods and cones. Rods handle vision in low light, and cones handle color vision and detail. When light contacts these two types of cells, a series of complex chemical reactions occurs. The chemicals causes electrical impulses that are transmitted to the brain and interpreted as light.</span>
