The mixing ratio
A) is a relative measure of water vapor.
B) changes with temperature.
C) changes with the expansion of a given volume of air.
D) is expressed in grams of water vapor per kilogram of dry air.
E) none of the above
D
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Agricultural waste is the most common form of solid waste.
Answer the following statement true (T) or false (F)
Why are all air masses labeled either "polar," "arctic" or "tropical"?
A) because heat exchanges occur only in the low and high latitudes B) because energy exchanges occur only in the high latitudes C) because heat and energy exchanges occur only in the low and high latitudes D) because air masses don't form in the middle latitudes
The polar jet stream is strongest in the winter when surface temperature contrasts are greatest
Indicate whether the statement is true or false
The ocean surface water temperature is usually cooler after the passage of a hurricane
a. True b. False