A group of four students is performing an experiment

its d! the final exam asked good luck

third person

explanation:

note the usage of names and pronouns, "james" & "the old man". this alone can confirm it as third person, as first person uses "i" and the like, while second person uses "you" and the like.

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c. a group of tribes that formed a confederacy

i believe it is the bright red satin shirt.