Answers: 1
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.
Answers: 1
Biology, 21.06.2019 23:10
(drag each tile to the correct location.) categorize each term as something that is typical of a scientific theory, a scientific hypothesis, or both. - a tentative statement used to guide scientific investigations. - makes predictions about future events. - can be tested by many independent researchers. - based on observations of natural phenomena. - a well-established, highly reliable explanation.
Answers: 1
Biology, 22.06.2019 04:00
Why are fossils not found in igneous rocks? igneous rocks are made from cooling of lava or magma. igneous rocks are found too deep underground. igneous rocks are too dark in color to contain fossils. igneous rocks are too dense to contain fossils.
Answers: 2
Has regulatory areas for thirst, hunger, body temperature, water balance, and blood pressure...
Mathematics, 05.05.2020 07:56
History, 05.05.2020 07:56
Mathematics, 05.05.2020 07:56
Social Studies, 05.05.2020 07:56
Mathematics, 05.05.2020 07:56
Mathematics, 05.05.2020 07:56
Biology, 05.05.2020 07:56
Mathematics, 05.05.2020 07:56
Mathematics, 05.05.2020 07:56
English, 05.05.2020 07:56