This year, an estimated 1.4 million Americans will have a new or recurrent heart attack.
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More than 20 million Americans cite use of marijuana within the past 30 days, according to the National Survey on Drug Use and Health (NSDUH). More than 8 million admit to using it almost every day.
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Bacteria have been found alive in a lake buried one half mile under ice in Antarctica.
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Patients who cannot swallow may receive nutrition via a parenteral route—usually, a catheter is inserted through the chest into a large vein going into the heart.
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There are 60,000 miles of blood vessels in every adult human.
A plant response to flooding.
question asked
Find the derivative by using the chain rule, question 2
Write equilibrium constant expressions for the following reactions in terms of concentration: