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Biology, 22.06.2019 08:30
Which of the follow describes a disadvantage secondary sources have compared to primary sources?
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Veins have a much lower blood pressure than arteries. which of these prevents backflow of blood in veins? a. pressure applied by the heart b. oneโway valves in veins c. thin muscular walls of veins
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Internal feedback works to maintain homeostasis when your a. heart rate decreases as your white blood cells increase b. breathing rate decreases as your red blood cells decrease c. heart rate increases as your liver is cleaning blood d. breathing rate increases as your heart rate increases
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Biology, 22.06.2019 17:00
Which of the following terms would bb represent in an organism? a.phenotype b.genotype c.genetics
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Whats the difference between a mixture and a compound? Mixtures are impure and compounds are pure, b...
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