Automobile drivers traveling long hours from their job in an urban area to their suburban home cause a decrease in which of the following?
A. environmental health
B. their stress level
C. air pollution
D. greenhouse gases
Answer: A
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Births and deaths are the only two factors that determine population sizes
Indicate whether the statement is true or false
In human-dominated ecosystems, which of the following features is often lacking?
A) the presence of positive feedback systems B) homeostatic regulation C) the presence of sufficient human infrastructure D) an ecosystem's ability to grow sufficient food E) drought resistant regulation
The lowest surface air pressures ever recorded are associated with
A) cold and dry climates. B) frontal systems (cold and warm fronts). C) sea level. D) hurricanes (typhoons).
The Indian Ocean gyre rotates counterclockwise.
Answer the following statement true (T) or false (F)