Which of the following aquatic ecosystems is most capable of diluting, dispersing, and degrading large amounts of sewage, sludge, and oil?
a. estuary
b. swiftly flowing stream
c. deep-water ocean
d. coastal parts of the ocean
e. slow-moving river
C
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What is the order of Eons from oldest to youngest?
A. Phanerozoic, Archean, Cambrian B. Archean, Phanerozoic, Cambrian C. Cambrian, Archean, Phanerozoic
Of the various elements of weather and climate, changes in air pressure are probably the most easily perceived by people
Indicate whether the statement is true or false
What are remittances?
A) undocumented immigrants who are caught and sent home B) zones, particularly in urban areas, where immigrants often cluster C) money migrants send back home D) waves of migration caused by push factors E) involuntary migrants who are forced to work for low wages
Barriers to reverse commuting include all of the following EXCEPT
A) constraints on transportation. B) communication constraints. C) biased hiring practices. D) substandard work skills of the inner-city poor. E) high crime rates.