Bacteria have flourished on the earth for over three billion years. They were the first life forms on the planet.
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Complications of influenza include: bacterial pneumonia, ear and sinus infections, dehydration, and worsening of chronic conditions such as asthma, congestive heart failure, or diabetes.
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On average, someone in the United States has a stroke about every 40 seconds. This is about 795,000 people per year.
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Sperm cells are so tiny that 400 to 500 million (400,000,000–500,000,000) of them fit onto 1 tsp.
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It is difficult to obtain enough calcium without consuming milk or other dairy foods.
Gram-positive and Gram-negative bacteria.
Negative feedback control of the female reproductive hormones
Difference Between Solar and Sidereal Day
Positive and Negative Punishment
E9-23 Prepare income statements Explain the difference in operating income