What's is a concrete noun for imagination​

Concrete nouns refer to physical things, like an animal, an object, or a person. These are nouns that can be tasted, touched, seen, heard, or smelled. Even if the object is imaginary, like a unicorn, if it could be seen in your imagination, it's a concrete noun.

i guess the cause and effect would show how being around the smoke(the cause) can have negative effects on the body.

explanation:

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