Distinguish among dry haze, wet haze, and fog
What will be an ideal response?
ANSWER: Dry haze: forms when the relative humidity of the air is below the point where water vapor begins to condense on active hygroscopic nuclei. The floating particles remain small—usually no larger than about one-tenth of a micrometer. Wet haze: when the relative humidity reaches about 75 percent condensation may begin on the most active hygroscopic nuclei. As water collects on the nuclei, their size increases and haze particles, although still small, become large. Fog: as the relative humidity gradually approaches 100 percent haze particles grow larger and condensation begins on less-active nuclei.
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The "baby boom echo," represented by people who are 24 to 33 years old in 2014, is the result of
A) increased fertility of the baby boom generation. B) reduced infant mortality rates. C) reproduction of the baby boom generation. D) increased use of birth control in the 1970s.
Crater Lake is a volcanic feature of ________.
A. Hawaii B. the Aleutian Islands C. the Ouachita Mountains D. the Cascade Mountains E. Baja California
Populations of most plants and animals depend, directly or indirectly, on solar energy.
Answer the following statement true (T) or false (F)
Present the typical conditions and activities associated with both a cold front and with a warm front
What will be an ideal response?