WHICH OF THE FOLLOWING STATEMENTS IS BEST SUPPORTED BY THE AUTHOR

Câu 20: Which of the following statements is best supported by the author? A. The value of a shipwreck depends on the quantity of its artifacts. B. Preservationists are fighting the use of technological advances such as side-scan sonar. C. Side-scan sonar has helped to legitimize salvaging. D. The use of sound waves is crucial to locating shipwrecks.