Answer the question below: Suppose that Mary hasn't started smoking yet. If you measured the oxygen levels in her blood now and compared them to oxygen levels after she's been smoking for 20 years, what would you find less oxygen in her blood now or more oxygen in her blood now? Assuming that: Smoking reduces the amount of oxygen available for diffusion at the lungs, so less oxygen gets absorbed and blood is oxygenated to a lesser degree.
more oxygen in her blood now
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Answer the question below: If Milo is adjusting the strength of his microwave in the kitchen and he sets it to a lower frequency, does the energy output of the microwave increase or decrease? Assuming that: With higher frequencies, the microwaves also have more energy.
decrease
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Answer the question below: John was observing a range of patients skin under a microscope. He noticed that the more melanocytes the skin had, the production of melanin was higher or lower? Assuming that: However, the melanocytes of people with darker skin produce more melanin.
higher
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Answer the question below: Chris ran a wire 3 foot long. Ron ran a wire 10 foot long. If all else was the same, the wire that Ron had more resistance or less resistance.? Assuming that: Longer wires have more resistance than shorter wires.
more resistance
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