[ General Knowledge ]
The metric system is based upon what number?
A. 5
B. 3
C. 10
D. 25
Select your answer:
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Articles › ViewCan you see ______ moon tonight?
A. a
B. an
C. the
D. X
Vocabulary › View
The ability to move the body and joints easily.
A. Speed
B. Endurance
C. Technique
D. Flexibility