write a word that fits each meaning

CHOICES: irritate,irritation,contaminate,contamination

15.an impurity:contaminate
16.to annoy:irritate
17.an annoyance: irritation
18.to make impure:contamination

3 answers

Change the answers to 15 and 18 around. Contaminate is a verb; contamination is a noun.

Thanks

You're welcome.

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