Question

read the following text from a student essay. how can the writer best improve his or her sentence fluency? why does chopping an onion make your eyes tear up? the reason has to do with chemicals. onions contain high levels of sulfur, and when you cut the onion, enzymes that were separated within the onion come into contact with the sulfur to create compounds called sulfenic acids, which then turn into a chemical called syn - propanethial - s - oxide. this chemical easily turns into a vapor, travels through the air, and irritates your eyes, making them tear. by simplifying a long, complicated sentence by improving the transitions between sentences

Explanation:

The text has long - winded sentences. Simplifying them would make the flow smoother. Transitions are not the main issue here.

Answer:

by simplifying a long, complicated sentence