can rapidly pass directly through the phospholipids of the plasma membrane

Non-polar, lipid-soluble, and small molecule.

Explanation:

A non-polar, small uncharged molecule, for example, CO2, & O2 are the lipid-soluble molecule and can diffuse directly through the phospholipids of the plasma membrane.

The plasma membrane plays an important role in the life process of the organism, and the cells function. It is known as selectively permeable in nature. Non-polar, lipid-soluble, and small molecules can pass through the layer, but large polar molecules and ions cannot pass through it.

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explanation:

c: warm water flows from the western tropical pacific toward south america. that should be the right answer! hope it .