A recent study indicated that more than 60% of human pathogens are zoonoses, meaning that they ________
A) are transmitted via the sinuses and respiratory tracts of animals
B) can be transmitted between animals and humans
C) originate in humans and spread to various species of animals
D) can infect any animal species
B
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Which of the following statements describes the roof of a home where snow melts readily?
A. It is a poor conductor of heat. B. It is a good radiator of heat. C. It is a poor radiator of heat. D. It is a good conductor of heat.
Why is 70% ethanol rather than 95% ethanol used in sterilizing skin before injections?
A) 70% ethanol kills bacteria by denaturing their surface proteins. B) 70% ethanol kills bacteria by penetrating them and coagulating their proteins. C) Special precautions must be taken when using 95% ethanol. D) None of the above is correct.
The restoring force of a capillary wave is gravity.
Answer the following statement true (T) or false (F)
Land heats and cools more rapidly than the ocean because of its
A) lower specific heat when compared to the ocean. B) ability for land to retain heat better than the ocean. C) strong mixing through soil horizons on land. D) great potential for latent heat on land through evaporation.