In all, more than 36,000 slaves remained in the North, with the largest concentrations in New Jersey and New York.
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6 sentences with “concentrations”
Short, simple sentences with “concentrations”, suitable for children and primary/elementary school, with common expressions and related words. You'll also find examples for middle and high school.
Brief definition: concentrations
Amounts of something collected in one place, or the level of a substance within a mixture or solution.
6 sentences with “concentrations” — examples
But the concentrations of pollutants (especially lead) that need to be measured in the ice to determine whether it is contaminated are extremely small, although significant.
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It is called resveratrol and is a natural pesticide which, according to animal studies carried out by Japanese researchers, reduces concentrations of fat and cholesterol in the blood.
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Identifying patients with coronary artery disease who have low concentrations of LAD or good cholesterol (less than 35 mg/dl) should be considered a priority, the researchers conclude.
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However, the study's lead author, Dr Michael Miller, cautions that at least two tests are necessary before worrying about a low result, as LAD (good cholesterol) concentrations can vary.
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In a study conducted by nutritionist James Cerda, volunteers with high cholesterol concentrations were given grapefruit pectin capsules, equivalent to two grapefruits a day, for four weeks.
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