Someone please check! * is the answer I chose.

For each of the following pairs of topics select the one that is more focused.
1.)Topic.
a.)Why beaches are fun
*b.)Why I love Miami Beach

2.)Topic.
a.)The wonderful world of vegetables
*b.)The health benefits of carrots

3.)Topic.
a.)A day at Sea World with my family
*b.)Why I love the ocean

4.)Topic.
a.)The problems caused by fire
*b.)What to do if your house catches fire

2 answers

Look at 3 again.
ok well to me both seemed to be specific so I just oicked one. Thank you:)