What percentage of the U.S. population now lives less than one hour's drive from a coastline?
a. 10%
b. 20%
c. 30%
d. 50%
e. 70%
D
You might also like to view...
Kudzu is a type of invasive
A) rodent in the southeastern United States. B) fern in the southeastern United States. C) vine in the southeastern United States. D) fish in the southeastern United States.
California's urban areas tend to spread out horizontally over large areas because ________
Fill in the blank(s) with correct word
What generally happens when subduction-derived magma encounters thick continental crust?
A. the magma solidifies in sheeted dikes with a composition of basalt B. the magma interacts with the crust, forming felsic or intermediate compositions C. the oceanic crust melts D. most magma reaches the surface with minor modification
Residence time for water in Lake Tahoe, Nevada/California is 600 years which means that
A. the water in Lake Tahoe will sustain aquatic life for 600 years. B. a water molecule entering the lake will remain in the lake for 600 years. C. outflow from Lake Tahoe occurs once every 600 years. D. the total volume of water in Lake Tahoe remains constant for 600 years.