Pollutants that are aerosols consist of
A. gases, liquids, and solids.
B. gases and solids.
C. liquids and solids.
D. gases and liquids.
Answer: C
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Rock layers containing extensive fossils of organisms with hard parts represent only about 12% of
geologic time. Indicate whether the statement is true or false.
________ is the use and management of natural resources such as wildlife, water, air, and minerals to meet human needs, including food, medicine, and recreation
A) Preservation B) Conservation C) Exploitation D) Management E) Development
Which is not a characteristic of thermoclines?
A) Tropical thermoclines are deeper than those at higher latitudes. B) Thermoclines are not identical in form. C) Polar waters tend to lack thermoclines. D) Thermoclines are more abrupt in the high latitudes.
Based on the principle of Cross-Cutting Relations, which of the following statements are right?
a. If one geologic feature cuts across another, the feature that has been cut is younger b. Younger features cut older ones c. Cross cutting relations do not provide directly the relative age d. If a fault cuts across and displaces layers of sedimentary rock, then the fault must be younger than the layers. e. Both b and d