Study the illustration. The small blue spheres represent water molecules. In which direction will water molecules move across the membrane? There will be no net movement of water. Water will move from A to B. Water will move from B to A.

Water will move from B to A

Note: The illustration is found in the attachment below

Explanation:

Diffusion is the movement of molecules of a substance from a region of high concentration to a region of lower concentration until equilibrium is attained.

This difference in concentration between two regions is known as concentration gradient, and these molecules of substances are said to move down their concentration gradient.

A special case of diffusion is osmosis, which involves the movement of water molecules down their concentration gradient through a semi-permeable membrane.

In the illustration below, water molecules are more concentrated on the B side of the membrane, therefore, water molecules will move across the membrane from B to A until equilibrium concentration of water molecules is obtained.

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answer is

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the answers are a and c