Completar frases The Great Barrier ReefVersión en línea Fill in the blanks with the words given in the word bank to complete the story. por Karishma Hora 1 hours night destroy cover search have fish Australian scientists are working day and to protect the Great Barrier Reef . Crown of Thorns Starfish ( COTS ) are wreaking havoc on the Great Barrier Reef's coral . COTS are responsible for 40% of the reef's total decline in coral . Australian researchers developed a robot to eliminate these . The robots are designed to seek out and the fish using pneumatic injection . They can the reef upto eight at a time and deliver 200 lethal slots .
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