Long-term effects of poor nutrition and inactivity include increased risk for diseases, like Diabetes and Osteoperosis. Because the body relies so heavily on receiving the proper nutrition during its most formulative years, a lack thereof can have a terrible impact. Improper nutrition can eventually weaken your bones and teeth, which is where the added risk for Osteoperosis comes in. Poor nutrition can also lead to other health problems like obesity, which also puts you at a greater risk for developing cardiovascular and other diseases. Furthermore, inactivity can also have negative impacts on the body in several ways. Overall stamina will diminish over time due to inactivity, making you a lot slower. If muscles remain inactive for too long, they may atrophy, leading to several more health complications.
The answer is C, everything else is okay to change
I would say the sentence that is highlighted in blue.
“The room gives off an air of clean sparseness. The roof rafters are exposed, and the wood colors are raw and unmellowed”
The exposition is the very beginning of the story so it should introduce the characters and the setting and maybe introduce a lesson to be learned.
It would be a comprehensive description and explanation of an idea.