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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, 22.06.2019 06:20
Which direction does the energy flow in this energy pyramid ?
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Biology, 22.06.2019 10:20
Casts and mold are a type of preservation where the original material decays, leaving a mold in surrounding rock that can be filled with another sediment a. true b. false
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Biology, 22.06.2019 16:00
You and a group of friends are spending your vacation hiking through the mountains. it is cold in the mountains. you will be expending a lot of energy while hiking and you will need plenty of energy to keep you warm. you should pack foods high in to provide the most energy or kilocalories per gram of food. a) carbohydrates b) lipids (fats) c) proteins d) sugars
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Mathematics, 05.01.2020 10:31
History, 05.01.2020 10:31
History, 05.01.2020 10:31
Social Studies, 05.01.2020 10:31
History, 05.01.2020 10:31
Mathematics, 05.01.2020 10:31
Social Studies, 05.01.2020 10:31
Biology, 05.01.2020 10:31
Mathematics, 05.01.2020 10:31