The retina is a photosensitive tissue that contains the special photoreceptor cells. what is the purpose of these photoreceptor cells?

question 19 options:

to convert light to electrical impulses

to invert the image right-side up again

to focus light waves on the back wall of the eye

to convert black and white into color

I am also taking the test, but I think it's C. But I'm not exactly sure

Read the sentences below in 1962, i tried to enroll as the first black student at the university of mississippi. the governor of mississippi blocked my entrance which best describes the verbs used in the sentences? o they are past tense verbs, which are often used in narrative essays o they are past tense verbs, which are not often used in narrative essays. o they are future tense verbs, which are often used in narrative essays o they are future tense verbs, which are not often used in narrative essays.