Question

The random movement of molecules across a cell membrane, from the side of the membrane where the molecules are in high concentration to the side of the membrane where the molecules are in low concentration (that is, high-to-low movement), without the use of any extra energy source, is
called

Answer 1

Answer:

the answer for this is Osmosis.

Answer 2

Mark Brainliest please

In the process of diffusion, a substance tends to move from an area of high concentration to an area of low concentration until its concentration becomes equal throughout a space.