Answer:
Simple Diffusion.
Explanation:
The plasma membrane is known as the selectively permeable membrane as they allow the movements of some selected particles only. The movement are facilitated diffusion, active transport and passive transport.
Water molecules are polar in nature. They can pass through the plasma membrane from its region of the higher concentration towards its region of the lower concentration. They move directly through the simple diffusion and does not require any protein or energy molecule to pass through them.
Thus, the answer is simple diffusion.
Properties of solids: Properties of solids
(i) Solids have definite shape and distinct boundaries.
(ii) Solids have fixed volume.
(iii) They have negligible compressibility.
(iv) They are rigid (their shape cannot be changed).
(v) Their intermolecular force of attraction is maximum.
(vi) The kinetic energy of its particles is minimum.
Properties of liquids: Properties of liquids
(i) Liquids do not have definite shape and distinct boundaries.
(ii) Liquids have fixed volume.
(iii) They can be compressed.
(iv) They take up the shape of the container (they can change its shape).
(v) They are fluid and thus can flow like water.
(vi) Their intermolecular force of attraction is less than solids.
(vii)The kinetic energy of its particles is more than solids.
Properties of gas: Properties of gas
(i) Gases neither have definite shape nor have fixed volume.
(ii) They can be compressed much.
(iii) They can take any shape.
(iv) They are neither rigid nor fluids.
(v) Their intermolecular force of attraction is least.
(vi) The kinetic energy of its particles is maximum.
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Well, salt water contains various amounts of salts, meanwhile fresh water does not. However, that does not mean that animals and creatures thrive in one kind, but not the other, instead, both waters are capable of holding certain fish, microbes, and even plants. Hope this helps, please mark as brainliest if possible, thank you! :)