Sam is investigating the factors that affect photosynthesis. She keeps some plants in the dark for 24 - 48 hours. They receive no light. What does this remove from the plants?

Which of the following systems in absorbing oxygen and releases carbon dioxide

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 energy available as a result of the motion of a body is called energy. -potential -gravitational -kinetic -chemical