Part A)) Determine the equivalent resistance of 25 Ω and 15 Ω in series. ReqA=?

Part B)) determined equivalent resistance of 220 Ω and 430 Ω in parallel. ReqB=?

Two questions please help

Decreased sensitivity to an unchanging stimulus is known as

Madison lives near the ocean. she’s formed a hypothesis that increased concentrations of salt in the air speeds the corrosion of certain metals. if madison plans to test this hypothesis, she will have to deal with the following variables in her experiment: dependent variable: independent variable: one possible confounding variable:

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