Rods are a. units of measurement for brightness. b. sensory receptors in your eyes. c. the smallest difference threshold. d. a type of vision stimulus.

i can't see the full page, therefore, can't answer it

explanation:

hi, natural selection of the peppered moth during the industrial revolution in 19th-century england is an example of an outlier in the study of evolution. during this time, pollution from factories filled the forests, coating trees in a layer of soot—turning white trees black

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gokuson

youre right there are

the answer is c on e2020, bud.