Insects, and some other invertebrates, exchange oxygen and carbon dioxide between their tissues and the air<span> by a system of </span>air<span>-filled </span>tubes<span> called tracheae. Tracheae open to the outside through small holes called spiracles. In the</span>grasshopper<span>, the first and third segments of the thorax have a spiracle on each side.</span>
I would say b or c. Tbh if it was me answering I would go with c. Hope this helps!!
Synonyms: wonderful and valuable antonyms: bad and cheap
It would be considered a fragment