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What do humans need from the nitrogen and phosphorus cycle
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Hector is back from his morning run and is feeling light-headed because his energy is depleted which food item will provide him with a quick source of carbohydrates
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Vaccines are weakened forms of disease causing microorganisms, which are given to patients to prevent disease. after the vaccine is administered, the immune system responds by creating a(n) to recognize the a.) antibody, antibiotic b.) antigen, antibody c.)antibiotic, antibody d.)antibody, antigen
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Abiology teacher asks students to give examples of genetic variations that support the idea that changes in a population’s environment affect genetic variation. which is the least supportive example? a. changes in genetics in human populationsb. antibiotic resistance in bacteria populationsc. pesticide resistance in garden insectsd. changes in the color of the peppered moth population in england
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What do humans need from the nitrogen and phosphorus cycle...
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