Volcanologists are scientists who study volcanic eruptions. however, most volcanologists rarely get to witness a volcanic eruptions actually occurring. instead, many volcanologists use models to study volcanic eruptions. what is the most likely reason why volcanologists often rely on models to study volcanic eruptions?

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.

Drag each tile to the correct box. arrange the layers and faults from oldest to youngest.

Both male and female gametes are created during the process of meiosis. the formation of male gametes is called spermatogenesis. after telophase il of spermatogenesis, there would be are all genetically male gametes created that