What process(es) play key roles in soil formation?
A. Physical weathering
B. Both chemical and physical weathering
C. Chemical weathering
Answer: B
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Forces that bind a state together are ________ forces
A) unitary B) federal C) centripetal D) centrifugal
Two rock types that have been studied in the laboratory to determine likely temperatures at depth in the mantle are
A) peridotite and olivine. B) diamond-bearing rocks and olivine. C) peridotite and diamond-bearing rocks. D) basalt and peridotite.
Replacement fertility ________
A) is equal to 2.1 in stable populations B) is a contraceptive technique C) restores population size after a catastrophic event D) is below 2 in Latin America and the Caribbean E) is below 2 in Africa
A climate classification based on the geographic determinants of climate, such as latitude or elevation, is an example of a(n)
A) empirical classification. B) genetic classification. C) combined classification.