<span>The smell of Danger.
Researchers have discovered a single compound found in high concentrations in the urine of carnivores that triggers an instinctual avoidance response in mice and rats. This is the first time that scientists have identified a chemical tag that would let rodents sense carnivores in general from a safe distance.</span>
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Every person has two copies of each gene, one inherited from each parent. Most genes are the same in all people, but a small number of genes, which is less than one percent of the total are slightly different between people.
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A hypertonic solution
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There is a greater concentration of solutes outside of the cell than there is inside the cell, therefore it will rush out.
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Ecology is the study of how organisms interact with one another and with their physical environment.
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It helps peoples to pay their credit without facing any difficulties and problems. it makes easier for all.
