Which of the following properties of radiation affect its penetrating power?
A) energy
B) mass
C) both a and b
D) neither a nor b
C
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Newton hypothesized that Earth's gravity reaches to
A. apples on a tree. B. the Moon. C. both of these. D. none of the above.
Which PRECIP regime from Figure 17.3 is this? Which diagram should you use to evaluate this climate?
Continental polar air masses that form in summer are
A) less humid than winter cP air masses. B) colder than winter cP air masses. C) more likely to stay at higher latitudes than winter cP air masses. D) less cloudy than winter cP air masses.
Atmospheric nitrogen
A) is highly reactive. B) owes its existence to the actions of micro-organisms. C) stays in the atmosphere for a long time. D) was mostly captured from outer space by the Earth's gravitational field. E) has a molecular weight that is higher than that of oxygen.