In 1948 in Donora, Pennsylvania, the routine release of toxins into the air became a deadly fog because of
A) a chemical spill in the nearby Monongahela River.
B) greatly increased activity of the nearby industries.
C) a thermal inversion and stagnant weather conditions.
D) the failure of the chemical scrubbing systems on smokestacks.
C
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Which North American region was hit by Hurricane Sandy in October 2012?
A) the West B) the Gulf Coast C) the Appalachian Highlands D) the Atlantic coastline E) the Ozark Mountains
A wave travels an average distance of 6 m in 1 s. What is the wave's velocity?
A) less than 0.2 m/s B) 1 m/s C) 3 m/s D) 6 m/s E) more than 6 m/s
The weak Coriolis effect at the equator does not allow tropical cyclones to form. Indicate whether the statement is true or false
In an adiabatic process, ____
a. there is no change in heat content b. there is no change in pressure c. there is no change in temperature d. temperature always increases e. temperature always decreases