Which sentence correctly uses a hyphen?
a. i have been many places-but i have never been to europe.
b. tom's grand-mother baked a dozen cookies.
c. the dog some-how found his way back home.
d. ann's birthday is in mid-september.

i believe the answer is inference

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.