What is one reason to use a subplot in a novel?

In creative writing, a subplot can reveal more about secondary characters, create plot twists, and add another dimension to a story. Most importantly, a good subplot raises the stakes for a main character.

Explanation:

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the solute can move "downhill," from regions of higher to lower concentration, relying on the specificity of the protein carrier to pass through the membrane. this process is called passive transport or facilitated diffusion, and does not require energy.

this would be called india