Question

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

Answer 1

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

Answer 2

Thanks

Answer 3

You're welcome.