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Biology, 21.06.2019 21:30, lkipjjjjjjjjjj5673
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 23:20, towelmearowel
What are the most explosive events that occur on the sun? umbras solar flares solar winds prominences
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Biology, 22.06.2019 01:30, milkshakegrande101
The similarities of organisms in which two areas numbered above provide the best evidence for common ancestry between organisms in both locations?
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