A thinner wire is more difficult for electrons to move through than a thicker wire. Having read the above passage, choose the right answer to the following question (choices are easier or harder ): If Mona is spinning some wire at her job and she makes the wire thicker, what happens to the ease at which electrons can pass through that wire easier or harder?
easier
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Longer wires have more resistance than shorter wires. Having read the above passage, choose the right answer to the following question (choices are more or less ): If a wire were to be cut in half, each half would have more or less resistance than the whole wire?
less
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For example, more people on the Earth means more people contributing to global warming and pollution. Having read the above passage, choose the right answer to the following question (choices are they will rise or they will fall ): What will happen to the levels of pollution on Earth if the population decreases they will rise or they will fall?
they will fall
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If salt is added to a volume of water, there are more molecules in the same volume, so the water is denser. Having read the above passage, choose the right answer to the following question (choices are thicker or thinner ): Penny removed salt from her cup of water and noticed the water got thicker or thinner?
thinner
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