Biology, 13.09.2019 00:30 montgomerykarloxc24x
Acontrolled experiment is one that
a. proceeds slowly enough that a scientist can make careful records of the result.
b. tests experimental and control groups in parallel.
c. is repeated many times to make sure the results are accurate.
d. keeps all variables constant.
Answers: 3
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.
Answers: 1
Biology, 22.06.2019 05:50, clairebear65
Which of the following is not a possible effectof increasimg carbon dioxide levels in the atmosphere ?
Answers: 1
Acontrolled experiment is one that
a. proceeds slowly enough that a scientist can make careful...
a. proceeds slowly enough that a scientist can make careful...
Chemistry, 13.09.2019 23:30
Biology, 13.09.2019 23:30
Biology, 13.09.2019 23:30