How much did the United States pay for the Louisiana Purchase?
A. $5 million
B. $10 million
C. $15 million
D. $20 million
Correct Answer: C. $15 million
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A. $5 million
B. $10 million
C. $15 million
D. $20 million
A. Separation of gases
B. Expansion of gases
C. Compression of gases
D. Liquefaction of gases
A. Afghanistan
B. Switzerland
C. Egypt
D. Bangladesh
A. South Africa
B. Burkina Faso
C. Ghana
D. Sierra Leone
A. 1718
B. 1818
C. 1918
D. 2019
A. 5m
B. 8m
C. 20m
D. None of these
A. Respiratory droplets
B. Direct contact
C. Insect bites
D. Waterborne