In which year were the penicillins first discovered by Alexander Fleming?

A) 1900
B) 1914
C) 1928
D) 1943


C

Environmental & Atmospheric Sciences

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In most rivers in humid regions, discharge increases downstream

Indicate whether the statement is true or false

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In most European cities, riding a bike to work is a dangerous and rarely used form of transportation

Indicate whether the statement is true or false

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If an object has kinetic energy, then it also must have

A) impulse. B) momentum. C) acceleration. D) force. E) none of the above

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The region that is projected to have the highest population increase for 2014 is

A) Sub-Saharan Africa. B) Latin America. C) North America. D) Europe.

Environmental & Atmospheric Sciences