A rocket becomes progressively easier to accelerate as it travels upward from the ground mainly because

A) gravity becomes weaker with increased distance.
B) the applied force on the rocket increases as burning of fuel progresses.
C) the mass of the rocket decreases as fuel is burned.


C

Environmental & Atmospheric Sciences

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Explain how, without any meteorological instruments other than your eyes, you could identify the passage of an occluded front.

What will be an ideal response?

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Bioaccumulation is ________

A) the process by which chemicals are stored in the tissues of living organisms B) the chemical change that occurs when substances alter the growth and development of humans C) average length of time a molecule of a substance spends in the environment D) the total amount of chemicals stored in the tissues of living organisms E) the chemical change that occurs when substances are altered by the sun or metabolized by microorganisms

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Geothermal energy is energy in the form of heat from

A) the interior of the earth. B) the sun. C) biomass. D) friction from the earth's plates. E) recycled heat from factories.

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One strand of DNA has the sequence CAGTC. The opposite strand has the sequence

A) GTCAG. B) ATCGA. C) TCAGT. D) none of the above

Environmental & Atmospheric Sciences