Retired football players are _____ times more likely to die of neurodegenerative brain damage than the general public

a. three
b. four
c. five
d. six
e. ten


ANSWER: a

Biology & Microbiology

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When did life first appear on the planet?

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An exceptionally rich fossil deposit is known as a(n) ________

Fill in the blank(s) with correct word

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Cryptochrome absorbs blue light. Indicate whether the statement is true or false

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