A secretion responsible for the development of a deep voice and facial hair is synthesized by 1.) Structure F
2.) Structure B
3.) Structure C
4.) Structure G

Anybody who knows ap biology, can you friend or message me

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 process of living things produces water that enters the water cycle