Seaweed sways.
Meaning: This means that the seaweed is gently moving back and forth in the ocean water. It's like saying, The seaweed is moving smoothly in the ocean current.
Choice of Words: Seaweed is a type of algae that grows in the ocean. Sways is a verb that means to move slowly and smoothly from side to side, or back and forth. In this case, we're using it to describe the movement of seaweed in the ocean current.
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