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Author Question: By sex, most black-white marriages occur between black __________ and white __________. Fill in ... (Read 91 times) |
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This year, an estimated 1.4 million Americans will have a new or recurrent heart attack.
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The National Institutes of Health have supported research into acupuncture. This has shown that acupuncture significantly reduced pain associated with osteoarthritis of the knee, when used as a complement to conventional therapies.
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There are over 65,000 known species of protozoa. About 10,000 species are parasitic.
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In 1864, the first barbiturate (barbituric acid) was synthesized.
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The ratio of hydrogen atoms to oxygen in water (H2O) is 2:1.