In the United States, the worst drought--so far--was

A. the 1970s tragedy of over-withdrawal in aquifer system in southwestern regions
B. in the 1930s when dry years and poor soil conservation resulted in the dust bowl
C. in 1910, when the southwest received about 65% less rain than average


Answer: B. in the 1930s when dry years and poor soil conservation resulted in the dust bowl

Environmental & Atmospheric Sciences

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The most interior division of planet Earth is the core, which is liquid at its center because of extreme pressures, but

solid toward Earth’s surface. a. True b. False

Environmental & Atmospheric Sciences

The global human population

A) consumes fewer resources in a year than Earth can provide. B) has decreased its resource consumption in the last decade. C) would consume fewer total resources if everyone in the world consumed as many resources as the average American. D) needs 1.5 Earths to sustain its current rate of consumption.

Environmental & Atmospheric Sciences

An organism's biotic potential is the maximum number of offspring that ________.

A. survive to adulthood B. It produces at one time C. Its habitat can support D. It actually produces over its lifetime

Environmental & Atmospheric Sciences

The most productive farming regions in the Slavic countries are in

A. Siberia B. The central part, north of Central Asia C. Western Russia, Ukraine, and Moldova D. In the North, near the border with Finland

Environmental & Atmospheric Sciences