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

Environmental & Atmospheric Sciences

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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

Environmental & Atmospheric Sciences

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

Environmental & Atmospheric Sciences

Which force causes the wind to blow?

A. frictional force B. Coriolis force C. pressure gradient force D. centripetal force

Environmental & Atmospheric Sciences

The greatest gains in employment have occurred in

A) retail services. B) construction. C) professional services. D) finance. E) leisure and hospitality.

Environmental & Atmospheric Sciences