During the stage of a plant's life cycle where it is a haploid structure, the body of the plant is correctly referred to as a(n)

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.

The activity of the modern sample is 1.10 bq . how long does that measurement take?

Explain how scientists use geologic time to determine the age of landforms.