Twenty centimeters of precipitation fell in one day on a southern city in the 100-years climatic records for this city. This rainfall event ranked fifth among all one day precipitation events for this city. The return period for this extreme rainfall event would be

A) 4 years.
B) 5 years.
C) 20 years.
D) 100 years.


C) 20 years.

Environmental & Atmospheric Sciences

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Despite the fact that there are more than enough houses in the Washington, D.C., area, there are still many families that are homeless. Why?

A) Many homeless families don't know how to apply for affordable housing programs B) The houses are located in high crime areas where no one wants to live C) The average price of a home is very high in relation to household income and there is very little affordable housing D) Most homeless people choose to live that way

Environmental & Atmospheric Sciences

The well water drawn from Indian tube wells was found to have been contaminated with:

A) methyl isocyanate B) arsenic C) radiation D) DDT E) none of the above

Environmental & Atmospheric Sciences

Which letter in this classification table indicates the position of gabbro?

A. A B. B C. C D. D E. E

Environmental & Atmospheric Sciences

In Honolulu, Hawaii (latitude 21°N), you would most likely experience winds blowing from the ____

A) northeast B) south C) southwest D) northwest

Environmental & Atmospheric Sciences