About half of all Americans rely on ____ for their drinking water
a. glaciers
b. sea water
c. stream water
d. aquifers
e. lake water
ANSWER: d
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Known to cause an inflammatory bowel disease referred to as Johne's disease in cattle, sheep, and goats, which organism has been isolated from the bowel mucosa of patients with Crohn dis-ease?
a. M. paratuberculosis b. M. avium-intracellulare c. Mycobacterium phlei d. Mycobacterium lepraemurium
Match each mollusk with the correct taxonomic class.
1. nautili 2. snails 3. chitons 4. clams a. Polyplacophora b. Gastropoda c. Bivalvia d. Cephalopoda
Which hair-like cellular projections line the respiratory tract and sweep inhaled particles away from the lungs?
a. flagella b. cilia c. intermediate filaments d. pseudopods e. microvilli
_____ is the rightful use of power.
A) Responsibility B) Sovereignty C) Authority D) Legitimacy