These diseases are the three largest viral killers
a. malaria, AIDS, and SARS
b. tuberculosis, AIDS, and malaria
c. Lyme disease, West Nile virus, and SARS
d. flu, AIDS, and hepatitis B
e. flu, AIDS, and West Nile virus
D
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If the darker shadings represent greater density, the above map best represents
A) population. B) GDP per capita. C) total GDP. D) life expectancy. E) semiperipheral regions.
Structures that are superficially dissimilar but have the same structure in terms of bones, muscles, nerves, and blood vessels are best described as ____
A)heterologous B)homologous C)vestigial D)analogous E)exogenous
The climate system consists of the:
A) atmosphere. B) cryosphere. C) hydrosphere. D) just the cryosphere and atmosphere. E) the cryosphere, atmosphere, hydrosphere, biosphere, and solid Earth.
The first color of the visible spectrum to disappear as one dives from the surface to the deep is ________.
A. violet B. indigo C. red D. yellow E. green