Which BEST identifies and explains the pattern of word changes in these two pairs? from section 5: contamination/contaminate from section 9: refrigerate/refrigeration

contamination/contaminate

Explanation:

Contaminate is the root word and by adding suffic "ion", new worf contamination is formed.

Refrigerator is the root word for both refrigerate and refrigeration. So there is no pattern of word change here.

the answer is b. my dude

the correct answer is the following.

one of the groups i belong to is the boy scouts. this is a problem-solving group because it has tasks that we need to solve in order to other people in different activities such as the rescue of lost pets, or elder people in need.

the other group i belong to is kids pro environment, and is an information-sharing group that tries to create conscience about the risks and problems that generate pollution in our cities. we share information to other students and parents on the importance of keep our communities clean and our skies clear.