Which sentence uses correct subject-verb agreement? A good coach teach focus and persistence.
The athlete trains for several hours every day.
Athletes at all levels can improves with practice.
The student handbook explain the contest rules.

b

Explanation:

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.  

answer: a mother fears that the poor lighting poses a danger to the children who play there.