which is the best topic sentence for the second paragraph of an essay about \effects of exercise\?\nin…

which is the best topic sentence for the second paragraph of an essay about \effects of exercise\?\nin addition, a reason to turn off your lights is to save money on electricity.\nin addition, if you brush your teeth twice a day you are less likely to get gum disease.\nin addition, an effect of exercise is healthy skin.
Answer
Brief Explanations:
The essay is about "effects of exercise". The first two options are off - topic. The third option is related to the effects of exercise, making it suitable as a topic sentence for the second paragraph.
Answer:
In addition, an effect of exercise is healthy skin.