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Author Question: Natural elements can be studied by adding ________ to the outdoor environment. (Read 131 times) |
Did you know?
Calcitonin is a naturally occurring hormone. In women who are at least 5 years beyond menopause, it slows bone loss and increases spinal bone density.
Did you know?
The shortest mature adult human of whom there is independent evidence was Gul Mohammed in India. In 1990, he was measured in New Delhi and stood 22.5 inches tall.
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There are over 65,000 known species of protozoa. About 10,000 species are parasitic.
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Anti-aging claims should not ever be believed. There is no supplement, medication, or any other substance that has been proven to slow or stop the aging process.
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Cytomegalovirus affects nearly the same amount of newborns every year as Down syndrome.