Fire produces ________.
A. oxygen and water vapor
B. hydrogen and HCL's
C. cellulite and ozone
D. carbon dioxide and water vapor
E. nitrogen and HFC's
Answer: D
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Which of the following is not a problem with generalizing the results of LD50 to humans?
A. Differences in metabolism can lead to different reactions. B. Differences in physiology and metabolism can lead to different reactions. C. Different individuals of the same species can have different reactions. D. Smaller species generally have reactions that are more sensitive. E. Closely related species can have different reactions.
On the map below, all of the following would be considered "interpretations" except
A) spring migration routes.
B) Ivvavic National Park.
C) concentrated calving areas.
D) porcupine caribou herd range.
The fundamental unit in the hierarchy of time units; part of geologic time during which the rocks
of a system were deposited:a. formation d. series b. biozone e. nonconformity c. period
Which of the following is not observed routinely and plotted on weather maps?
A) wind speed and direction B) pressure C) temperature D) density E) humidity