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hairs found on the insects surface are composed of chitin whereas

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cats needle sharp claws are highly specialized structures specifically designed for grasping prey

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many organisms found in untreated waters are harmless

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vaccinations are readily available for such common adult illnesses as influenza pneumococcal disease and herpes

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3 dimensional model of influenza subtypes found in people are influenza a h1n1 and influenza a h3n2 viruses

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these are mosquito fish of the genus gambusia native to the southern united states

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the giemsa stain concentrate lt and a stock solution of giemsa stain rt are used when preparing malarial

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drummers are following their chief during ceremony in west africa

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these are healthcare practitioners during the smallpox immunization program in bangladesh

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photograph captured a sneeze in progress revealing the plume of salivary droplets as they are expelled

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grandmother mother and child are resting

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american farmers in machakos kenya are lending a hand to kenyan farmers with the resources

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fishing boats in areas along the coast which are home to mangrove forests

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cabins near the base of the santa ana volcano in el salvador are being refurbished

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the villagers are playing a game that demonstrates why it is important for women

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