PLS HELP ASAP IF YOU KNOW THIS

the answer is strata

hope this helped:)

you didn't give any options but heres what i can tell you: an inference is likely to change based on additional observations. the latter is something that you have seen or sensed using your sensory organs while the former is like a conclusion out from what you have observed.

i think the answer is a.keratin is the pigment responsible for skin color.