A warmer ocean has been linked to ________.
A. decreases in disease outbreaks
B. increases in nutrients from deep-water sources
C. migration of species poleward and deeper
D. declines in the microbial loop
Answer: C
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Drinking water contaminated with cholera is an example of which type of hazard?
A. biological B. chemical C. cultural D. lifestyle health
Direct laboratory experimentation is often not possible in geological studies for all of the following reasons except that
A) the number of variables is typically large. B) the rates of many Earth processes are very slow. C) the experimenter must outlive the experiment. D) Earth conditions can be easily controlled and duplicated.
What are the basic differences between the disciplines of physical and historical geology?
A) Physical geology involves the study of rock strata, fossils, and deposition in relation to plate movements in the geologic past; historical geology charts how and where the plates were moving in the past. B) Physical geology is the study of fossils and sequences of rock strata; historical geology is the study of how rocks and minerals were used in the past. C) Historical geology involves the study of rock strata, fossils, and geologic events, utilizing the geologic time scale as a reference; physical geology includes the study of how rocks form and of how erosion shapes the land surface. D) None of the above—physical geology and historical geology are essentially the same.
What is a form of biodiversity loss associated with food production?