The 2014 Ebola virus outbreak in West Africa

A) was quickly contained and caused only a few dozen fatalities.
B) has spread to nearly every nation on the continent and is not contained.
C) was a challenge to control because there is no vaccine and because few regional health facilities exist.
D) is an airborne virus that causes usually fatal damage to the respiratory system.


C

Environmental & Atmospheric Sciences

You might also like to view...

Which of the following describes the types of compounds produced when an anhydride reacts with an alcohol?

A) only a carboxylic acid B) only an ester C) a carboxylic acid and an ester D) None of these, anhydrides do not react with alcohols.

Environmental & Atmospheric Sciences

Which of the following occurred first?

A) The Sun B) The Milky Way galaxy C) The big bang D) Earth E) A nebula

Environmental & Atmospheric Sciences

Choose the option that correctly matches all rock types with their source environments

A) conglomerate: lake bottoms; limestone: sea floor; evaporites: stream deltas B) conglomerate: river bottoms; limestone: lake bottoms; mudstone: lake bottoms C) limestone: river bottoms; conglomerate: sea floor; evaporites: ocean beaches D) limestone: sea floor; evaporites: lake shores; conglomerates: stream deltas

Environmental & Atmospheric Sciences

Places on Earth that have similar climates often support plants and animals with similar physical and physiological traits. The best explanation of this phenomenon is ________

A) convergent evolution B) migration of species C) natural selection D) speciation E) divergent evolution

Environmental & Atmospheric Sciences