An energy pyramid illustrates the energy in the form of is lost to the surroundings as it is passed from what organism to the next

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.

Restless tectonic plates move (shift) between one and fifteen centimeters per year month day minute

How far away is the nearest black hole from earth?