49. Coral reefs occur on the southeast coast of the United States, near Florida, but not at similar
latitudes on the southwest coast near Los Angeles. Differences in which of the following most
likely account for this?
(A) air temperatures driven by precipitation
(B) day length
(C) water temperatures driven by ocean currents
(D) marine salinity differences
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統計: A(0), B(0), C(2), D(0), E(0) #3162521
統計: A(0), B(0), C(2), D(0), E(0) #3162521