According to newton’s third law of motion, a reaction force between two objects is action force but in the opposite direction.
a. equal to
b. greater than
c. less than

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.

Where can dna be found in a prokaryotic cell

Which of the following particles always has a positive charge? a. electronb. neutron c. proton d. ion