What drives deep ocean currents?
a. the rotation of the Earth
b. the Earth's magnetic field
c. wind
d. waves
e. density
E
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Which of the following cloud types is most often associated with an anvil-shaped top?
A. cumulonimbus B. cumulus humilis C. altocumulus D. cumulus congestus
Earthquakes get shallower in the direction of subduction.
Answer the following statement true (T) or false (F)
extinction occur when
a. no member of a species can adapt to changing conditions before it dies b. no member of a species has the alleles necessary to survive and reproduce when conditions change c. members of a species do not realize that conditions are changing until the gene pool is greatly diminished d. the changing conditions fail to produce new alleles to save the species
What is Wallace's Line?
A) subduction zone by the Mariana Trench B) ocean trench separating megafauna C) Indonesian area of the Ring of Fire D) corner of the Philippine and Pacific plates E) none of the above