Throughout any introductory examination of ecosystems and environmental sustainability, the importance of human population numbers is cited. Currently, the world and U.S. populations are closest to ________
A) 7 billion; 200 million
B) 7 billion; 300 million
C) 9 billion; 400 million
D) 7 billion; 500 million
E) 3.5 billion; 300 million
B
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Which of the following locations would contain sand, rounded stones, and broken shells?
A) Location 1, along the margins of a glacier
B) Location 2, along a steep mountain front
C) Location 3, in sand dunes
D) Location 4, along a beach
E) Location 5, on relatively deep seafloor
The fundamental principle governing international aviation is that States have sovereign control over their own air space
Indicate whether the statement is true or false
Which force causes the wind to blow?
A. frictional force B. Coriolis force C. pressure gradient force D. centripetal force
The greatest gains in employment have occurred in
A) retail services. B) construction. C) professional services. D) finance. E) leisure and hospitality.