please help “The need for homeostasis applies to even one of the smallest living units, cells. The cell membrane controls what goes in and out of the cell. How could the cell membrane then be important for homeostasis AT THE CELLULAR LEVEL?”

Before the can be observed by using a transmission electron microscope, cells are sliced into very thin sections. what disadvantage does this procedure present in the study of cellular parts

Acar company is testing seatbelts using crash test dummies. the company finds that when cars come to a sudden stop, the crash test dummies' bodies continue to move forward. the seat belt keeps the crash test dummies from hitting the back of the seat in front of them. why do the crash test dummies' bodies continue to move forward even though the car stopped? a. the friction opposing their bodies' movement keeps them in motion. b. the inertia of their bodies keeps them in motion. c. the forward acceleration of the car keeps them in motion. d. the gravity pulling on the car keeps them in motion.

Greenthe fossil record is the history of life recorded byhuman observationgod. climatologists. remains of the past.