Question

read the passage. healing andre an injured green sea turtle, its shell slashed by a boats propeller, was found on a florida beach in 2010. in addition to its broken shell, the 170 - pound turtle was suffering from a damaged lung, and its internal organs had been exposed to infection. rescuers transported the turtle, soon named andre, to the loggerhead marinelife center, where veterinarians treated andres devastating injuries. when it came to the gaping hole in andres shell, they faced a challenge that tested the limits of their expertise. while turtles shells can regenerate naturally after injury, andres wound was too severe to regrow on its own. an orthodontist came to andres rescue by fitting his shell with braces similar to those used on people, using expanders to gradually stretch sections of the shell to fill the gaps. in the ensuing months, center staff regularly adjusted the braces, and over time, andres shell almost completely regenerated. what is the main, or central, idea of the passage? to treat a critically injured green sea turtle, rescuers transported it to floridas loggerhead marinelife center. cracked shells can often regenerate, but andres wound was too severe for regrowth to occur without medical intervention. to facilitate regrowth of a green sea turtles broken shell, rescuers used orthodontic braces.

Explanation:

The passage focuses on how rescuers used orthodontic braces to help a green sea - turtle named Andre regrow its broken shell. The first option only mentions transportation, and the second option emphasizes the severity of the wound rather than the solution. The third option best captures the main idea of the passage about the method used for shell regrowth.

Answer:

To facilitate regrowth of a green sea turtle's broken shell, rescuers used orthodontic braces.