A pattern of stars during the nighttime. A. can appear to move
B. can shift position
C. will get brighter
D. will move closer

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.

Which statement is a physical property? becomes moldy quicklyeasy to digestconducts electricity poorlydoes not burn

This rapid change in species that rarely leaves behind fossil evidence is referred to as