Fossils are useful in the study of historical geology for determining relative ages of strata,
depositional environments, and evidence for evolution. Indicate whether the statement is true or false.
T
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When the remains of a buried organism dissolve and leave a cavity, the resulting structure is called a(n)
____________________.
Soft-bodied organisms are never preserved in the fossil record. Indicate whether the statement is true or false
All of the below for confined livestock production systems are true except
A) leads to surface and ground water pollution and expensive waste management systems are needed. B) if animals are not confined, manure can contribute to soil fertility. C) if animals are not confined, the manure can adversely affect the quality of life of nearby communities. D) is part of a moral and ethical debate. E) is not widely practiced in the United States.
The energy behind the 1902 pyroclastic flow that destroyed St. Pierre came from ________.
A. gravity B. the blast of the volcano C. gas escaping from pieces of airborne pyroclastic material, creating a "popcorn" effect D. All of these choices are correct.