Which of the following terms describes the semipermanent pressure systems associated with the polar front?
A. subpolar lows
B. equatorial lows
C. polar highs
D. subtropical highs
Answer: A
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The risk of death from an environmental hazard is calculated as the number of people who might die compared to the number exposed to the hazard. Which probability factor does the EPA to determine if the risk is acceptable?
A. 1 in a 1,000,000 B. 1 in 10,000 C. 1 in a 100 D. 1 in a 10,000,000
Less than 5 percent of eroded sediment will ever reach the sea
Indicate whether the statement is true or false.
What is the net force of inertia and gravitational attraction combined?
A) Gravitational forces B) Centrifugal forces C) Tractive forces D) All of these choices
Compared to the North Atlantic, hurricanes form in the South Atlantic:
A) more frequently. B) with about the same frequency and intensity. C) much less frequently. D) with about the same frequency, but with much less intensity.