Có hậu tạ nhe ----- Nội dung dịch tự động từ ảnh ----- rich ecosystem. You could also try sailing, scenic flights, and others to try the ways to explore the getaway towns and scenic islands along the reef. F. WRITING Combine the pairs of the sentences, using the conjunction in the brackets. Ice sheets and glaciers are shrinking. Sea levels are rising at the same time. (while) The atmosphere changes and the heat increases. It can cause a number of problems. (when) We can solve any problem. It's important to understand it first. (before) We should alway turn off lights. And then we leave a room. (as soon as) You go to the toilet. Wash your hands thoroughly then. (after) We have killed off all our marine life. We must not wait till then. (until) The disaster passes. Then people will need money and determination to rebuild. (after) Balloons are released into the air. They become deadly litter right after that. (as soon as) Complete the second sentences so that it has a similar meaning to the first one. The rivers and canals are dry because there are many dams in the upstream. Due to The ocean water became contaminated by liquid petroleum as a result of the oil spills. Because of Unless treated waste water is used and managed properly, health effects will occur. If