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Biology, 21.06.2019 21:30
What was dr. willem johan kolff’s first step in using the scientific process to invent the hemodialysis machine? he built the machine and tried it with various patients, collecting data about its effectiveness. when a patient’s kidneys failed, he wondered if it would be possible to perform kidney functions with an external machine. he researched and collected data about numerous patients who exhibited symptoms of kidney failure. he drew conclusions from studies of various symptoms of kidney failure, and drew a design for the ideal external blood-processing machine.
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Biology, 21.06.2019 22:40
Environmental differences within ecosystems are generally caused by
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Biology, 22.06.2019 04:00
Which chemical equation is unbalanced? which chemical equation is unbalanced
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Biology, 22.06.2019 05:00
What best describes the dropping height of a ball that bounces back up to a height of 45 cm
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Why is a mushroom classified in the kingdom Fungi and not in the kingdom Plantae?
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