The girl won't fight him?
OR
The girl won't fight him, will she?
<em>I'm fairly sure at least.</em>
If it's just a random thesis:
Topic: Dog Fights
Thesis: Dog fights should be illegal, since they are a cruel way to abuse dogs for profit.
Opposing Thesis: Dog fights are entartaining, and should be continued.
A. Plates and Bowls are subjects with more than on of each
Answer:
I would have to go with "water"
Explanation:
Rainforests also help to maintain the world's water cycle by adding water to the atmosphere through the process of transpiration which creates clouds.
B. There is no single topic sentence. It starts with an idea and just keeps flowing. A topic sentence will introduce the point in why the are talking about earth's plates.