Each year in the United States, there are approximately six million pregnancies. This means that at any one time, about 4% of women in the United States are pregnant.
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Cyanide works by making the human body unable to use oxygen.
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People about to have surgery must tell their health care providers about all supplements they take.
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In 2010, opiate painkllers, such as morphine, OxyContin®, and Vicodin®, were tied to almost 60% of drug overdose deaths.
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Of the estimated 2 million heroin users in the United States, 600,000–800,000 are considered hardcore addicts. Heroin addiction is considered to be one of the hardest addictions to recover from.
Philippine Spider Water Beetle
Turn on water
Tracing the Source of a Water-Borne Disease
Water Vapor and Liquid Water
Available Fresh Water per year
A 500-kg cannon fires a 4.0-kg projectile with a velocity of 500 m/s relative to