Describe how oxygen enters a red blood cell from the alveoli in the lungs?
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Biology, 22.06.2019 08:30
Which coal field location is related to coal fields in the eastern united states and supports the theory of continental drift? eastern india southern africa western australia northern south america
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Biology, 22.06.2019 20:40
Lumps of iron and manganese ore called can be harvested from the seafloor near underwater volcanoes.
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Biology, 22.06.2019 21:30
Dawn mistakenly took a multivitamin intended for men that contains 90 mg of vitamin c (or 100% of the vitamin c rda for men). if the multivitamin was dawn’s only source of vitamin c for the day, what percentage of the women’s vitamin c rda did she consume? a. 52% b.83% c.100% d.120%
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Biology, 22.06.2019 22:00
Which of the following statements best describes homeostasis
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