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Biology, 22.06.2019 05:50
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 10:30
During a fierce storm a large number of tall trees on an island are uprooted by the wind and die. most of the trees on the island are now short trees and produce seeds that grow into short trees. what concept is shown in this example? question 5 options: natural selection artificial selection genetic engineering gene splicing
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Biology, 22.06.2019 13:00
The mixture of sperm and fluids from the seminal vesicles, prostate gland, and cowper's glands is called
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Mathematics, 18.09.2019 18:30
Mathematics, 18.09.2019 18:30
Mathematics, 18.09.2019 18:30
English, 18.09.2019 18:30
English, 18.09.2019 18:30
Mathematics, 18.09.2019 18:30
Social Studies, 18.09.2019 18:30
Mathematics, 18.09.2019 18:30