The apparent movement of the magnetic poles through geologic time is called ________.
A. polar drift
B. polar wandering
C. continental drift
D. sea-floor spreading
E. mantle plume motion
Answer: B
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Average annual temperature:
Bowen's reaction series describes
A) the degree of chemical reactivity of various minerals. B) the order in which minerals crystallize from magma as the magma cools. C) the ratio of the rate of chemical weathering to physical weathering in a particular rock. D) the ratio of the rate of physical weathering to chemical weathering in a particular rock.
A/an _____________ is a long accumulation of abundant sand that lies offshore and is separated
from the mainland by a lagoon. Fill in the blank(s) with the appropriate word(s).
Which of the ethical traditions best describes the building of the Hetch Hetchy Reservoir as right because it benefited a large number of people?
A) duty-based ethics B) environmental ethics C) virtue ethics D) utilitarianism E) consequence-based ethics