What is the average of the numbers 2, 4, 6, 8, and 10?
A. 5
B. 6
C. 7
D. 8
Correct Answer: B. 6
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A. 5
B. 6
C. 7
D. 8
A. Tuesday
B. Thursday
C. Wednesday
D. Friday
A. Unidentified Flying Object
B. United Flying Organization
C. Universal Flying Object
D. United Flying Orchestra
A. 1176
B. 504
C. 876
D. 1276
A. DNA structure
B. The liquid properties of water
C. Liquid HF
D. Liquid CH4
A. sulfuric acid
B. nitric acid
C. hydrofluoric acid
D. hydrochloric acid
A. dispersion force is the weakest type of intermolecular interactions
B. the strong intermolecular attractions in H2O result from hydrogen bonding
C. boiling point of H2S is less than H2O
D. boiling point of non-polar substances tends to decrease with increasing molecular weight