If a freely falling boulder were somehow equipped with a speedometer, its speed reading would increase each second by about

A. 10 m/s.
B. 5 m/s.
C. a variable amount.
D. 15 m/s.


Answer: A

Environmental & Atmospheric Sciences

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Indicate whether the statement is true or false

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Volcanic aerosols are an example of what type of climate change forcing?

A. Negative B. Positive C. Neutral

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Passive solar power involves using ________

A) mirrors to concentrate the sun's rays on a tower or a series of pipes holding water B) silicon wafers to generate light energy C) mechanical devices to heat water and buildings or electrical devices to generate electricity D) the energy of sunlight without relying on electrical or mechanical devices E) photovoltaic cells to produce light energy

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Figure 3.5 in your textbook shows that life expectancy varies between countries, but ____________ has the lowest life expectancies of any continent.

Fill in the blank(s) with the appropriate word(s).

Environmental & Atmospheric Sciences