PLEASE HELP ME IM TIMED!
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Answers: 2
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
Answers: 2
Biology, 22.06.2019 08:30, marialandingin7520
Is a measure of the different types of organisms in a community. question options: tertiary secondary primary none of the above
Answers: 1
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