The answer to this question should be "The only way to reduce body fat is to use more energy than you consume in calories.", this is due to the fact that not consuming enough calories while working out a lot will hurt your body. Organs and muscles will be damaged. I know because I did this and damaged my performance at an athletic event, because my muscles had no energy.
Here the answers to th questions
B,B,A,A.A,A
U should’ve put a picture
All the sentences in a paragraph should be unified and coherent.
Answer: sentences
From the topic sentence to the concluding sentence, they need to be unified and coherent for the writer to truly get their point across as it was intended.
Hope this helps! :)