Interaction refers to A. mutual participation between people or things.
<h3>What is interaction?</h3>
This is known as a kind of action that occurs as two or more objects have an effect on one another. This is reciprocal action or influence.
Hence, we can from the definition, it is seen that interaction is mutual participation between two people or things, it is an action occurring between two things.
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Rain poured in the open windows, through the sunroof, and even into the trunk.
Answer:
a. people had never seen a giant building made of glass before.
A. The importance of appearances