Question: Q: What happens to the level of relative humidity in the evening as air temperature declines? Choices: - it goes up and down - it falls - nothing - it rises A:
Answer: it rises

Question: Q: He mass spectrometer measures the percent abundance of different what? Choices: - reactions - organisms - Proteins - isotopes A:
Answer: isotopes

Question: Q: Earth's magnetic north and south poles are not the same as what? Choices: - equatorial planes - geographic currents - geographic hemispheres - geographic poles A:
Answer:
geographic poles