When is quarantine an effective tool to limit disease?
A) when the disease has a short incubation time
B) when there is not enough funding for public education campaigns
C) when the population it too dense or poor for vector control to work
D) when the population is too spread out for vector control to be cost effective
E) when the disease has a long incubation time
Answer: A
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The greenhouse effect
A. decreases the amount of carbon dioxide in the air. B. increases the amount of carbon dioxide in the air. C. is caused by gases such as carbon dioxide trapping heat in the earth's atmosphere. D. will lead to decreased sea levels. E. is due to gases forming a barrier around the earth and insulating the earth from the sun's rays.
The organization of muscle tissue from a macroscopic level to a microscopic one is as follows:a
muscle fibers ? myofibrils ? myofilaments. b. muscle fibers ? myofilaments ? myofibrils. c. myofibrils ? muscle fibers ? myofilaments. d. myofilaments ? myofibrils ? muscle fibers. e. muscle fibers ? myofibrils ? myofilaments.
The scientific method includes all of the following EXCEPT
A) conclusions. B) an observation. C) a hypothesis. D) experimentation. E) a testable theory.
The science of reconstructing the evolutionary history of life is called
A) gradualism. B) taxidermy. C) biology. D) systematics. E) pre-adaptation.