HELP ASAP!! WILL TRY TO GIVE BRAINLIEST What types of substances diffuse most readily through a cell membrane

Explanation:

Consider substances that can easily diffuse through the lipid bilayer of the cell membrane, such as the gases oxygen (O2) and carbon dioxide (CO2). These small, fat soluble gasses and other small lipid soluble molecules can dissolve in the membrane and enter or exit the cell following their concentration gradient.

b.

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object 2 because all the other ones are wrong