It is difficult to obtain enough calcium without consuming milk or other dairy foods.
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Eat fiber! A diet high in fiber can help lower cholesterol levels by as much as 10%.
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Adult head lice are gray, about ? inch long, and often have a tiny dot on their backs. A female can lay between 50 and 150 eggs within the several weeks that she is alive. They feed on human blood.
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In 1864, the first barbiturate (barbituric acid) was synthesized.
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Approximately 70% of expectant mothers report experiencing some symptoms of morning sickness during the first trimester of pregnancy.
Levels of biological organization in a plant.
Identify the structures shown below by filling in the blanks.