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Biology, 22.06.2019 05:50, lexi1268
The image below shows a common blood pressure gauge. what does this device do? a. measures the level of oxygen present in the blood b. measures the pressure of blood when the lungs expand and compress c. measures the electrical activity of the heart d. measures the pressure of blood when the heart contracts and relaxes
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Biology, 22.06.2019 07:50, kailahgranger
In each transformation of energy , some energy what?
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Biology, 22.06.2019 08:30, janely6017
The image below shows a weather service map. which details best describe this map? check all that apply
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English, 30.06.2019 19:30
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