The average number of years between past stream flow events that equaled or exceeded various discharges is called a(n) _______________ (two words)
Fill in the blank(s) with correct word
recurrence interval
You might also like to view...
Maroon societies
A) usually had the official blessing of colonial governments. B) existed only in the Caribbean islands. C) were made up of indentured servants who completed their work terms. D) allowed the perpetuation of African culture. E) usually included blacks and whites.
Most marine-protected areas ________
A) prohibit the installation of oil pipelines and fiber?optic cable lines within them B) are in the open oceans C) ban all fishing and extractive activities D) have been established without the consent of the United States E) are along the coastlines of developed nations
In the United States since 1920, many situations have changed because of the move to urban areas. What is one of these changes?
A. substandard housing B. better working conditions C. increased incidence of infectious diseases D. increased water quality problems E. poorer air quality
How much of the Earth's atmosphere lies below 32 km altitude?
A. 89 percent B. 99 percent C. 59 percent