試題詳解

47. Which of the following statements is TRUE?
(A). The main function of the tropical corals is for tourism.
(B). Tropical corals receive stress mainly from the rise of sea temperature.
(C). Tropical corals provide home for a great number of marine species besides offering protection to coasts.
(D). This study is a comprehensive research into all the aspects that may cause the bleaching of coral reefs.