Any girl wanna be my friend
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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 22:30
Which organisms have pharyngeal arches that develop from all three germ layers and go through the same development stages as embryos? 1.bird 2.ladybug 3.starfish 4.snake
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Social Studies, 25.09.2019 01:30
Mathematics, 25.09.2019 01:30
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English, 25.09.2019 01:30
History, 25.09.2019 01:30
Mathematics, 25.09.2019 01:30
History, 25.09.2019 01:30
English, 25.09.2019 01:30