What do all of these diseases -- amoebic encephalitis, rabies, Creutzfeld-Jacob disease -- have in common?
A. They are all caused by protozoans.
B. They are all transmitted through animal bites.
C. Mortaility rates are all extremely high.
D. There is a genetic component to all of these diseases, in addition to the infectious agent.
Answer: C
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A. energy; nutrients B. sunlight; water C. nutrients; energy D. water, sunlight E. nutrients; water
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Fill in the blank(s) with correct word