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A body of strata recognized on the basis of its fossil assemblage is a(n) ____________________ unit.
Q4: Some scientists have suggested that human intervention
Q5: Planets located farther from the Sun are
Q15: Banded iron formations precipitated in oxygen-rich ocean
Q21: The universe is presently contracting.
Q34: The eastern margin of North America has
Q41: Trilobites make excellent guide fossils.
Q44: Divisions of the geologic time scale are
Q60: For a neutrally-charged atom to become a
Q68: Earth has_ major tectonic plates.<br>A) 2<br>B) 5<br>C)
Q564: The share of the labor force that