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Biology, 21.06.2019 14:00
The image shows ekgs of a person with normal heart waves and of a person having tachycardia. based on this image, what kind of condition is tachycardia? a. the heart beats abnormally fast. b. the heart beats abnormally slow. c. the right atrium of the heart stops working. d. the left ventricle pumps less blood to the aorta.
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Biology, 21.06.2019 20:00
Which of the following sex and generation combinations directly produces the pollen tube of angiosperms? a) male gametophyteb) female gametophytec) male sporophyted) female sporophyte
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Biology, 22.06.2019 03:30
What organelle other than the nucleus houses dna in a eukaryotic cell?
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Biology, 22.06.2019 07:50
Which was most likely an effect on society that resulted from improvements in blood handling during world war i and world war ii?
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Describe two mutations in the Maxwell family that contradict the widely held idea that all mutations...
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