Ido not understand this very well. may someone me ?
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Which element is used in photosynthesis found in atmosphere and fixed by bacteria?
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Which best describes red blood cells? a. they are colorless b. they protect against disease-carrying microorganisms c. they transport oxygen throughout the body d. they aid in blood clotting
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Loss of protected health information collected for research should be directly reported to:
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Each nephron is made up of capillaries that form the __ sweat glands bladder glomerulus ureter
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