Which factor is responsible for the other three? HELP PLS NO FILES OR LINKS WILL NOT GIVE BRAINLIST Answer!!!

1. what are some of the challenges in determining the time of death using insects? type your response here in paragraph form (at least 5-7 sentences):

Aseries of connections of food chain in an ecosystem is called a what

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.