In 2000, 25.7% of US men and 21.0% of women were smokers.
Sperm is a sex cell that is created by meiosis and is needed for sexual reproduction.
<span>Bacteria that cause a urinary tract infection (UTI) make an enzyme that changes urinary nitrates to nitrites. Nitrites in urine show a UTI is present. Leukocyte esterase (WBC esterase). Leukocyte esterase shows leukocytes (white blood cells [WBCs]) in the urine.</span>
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Answer:
many people ASSUME that E-cigarettes are safer than regular smoking because of the way they are advertised.
Explanation: