The earliest primates arose about:a
200 million years ago.
b. 125 million years ago.
c. 55 million years ago.
d. 22 million years ago.
e. 12.5 million years ago.
C
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A) gonorrhea. B) vaginal yeast infections. C) genital herpes. D) syphilis. E) genital warts.
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The vaccine for immunity to Haemophilus influenzae serotype b is ________.
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