How many milk teeth do human beings typically have?
A. 20
B. 28
C. 32
D. 16
Correct Answer: A (20)
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A. 20
B. 28
C. 32
D. 16
A. 10 pairs
B. 12 pairs
C. 14 pairs
D. 16 pairs
A. A philosophy centered on individual freedom
B. A theory of quantum physics
C. A branch of psychology
D. A method of mathematical calculation
A. Lungs
B. Liver
C. Eyes
D. Heart
A. 1,500
B. 2,500
C. 4,253
D. 5,000
A. Transport oxygen
B. Clot blood
C. Fight infection
D. All of the above
A. 12 May
B. 12 April
C. 12 March
D. 12 February