The 2004 Tsunami made people realize that mangroves can serve as a reliable safety hedge against coastal calamities. How do mangroves function as a safety hedge?

• A. The mangrove swamps separate the human settlement from the sea by a wide zone in which people neither live nor venture out
• B. The mangroves provide both food and medicines which people are in need of after any natural disaster
• C. The mangrove trees are tall with dense canopies and serve as an excellent shelter during a cyclone or tsunami
• D. The mangrove trees do not get uprooted by storms and tides because of their extensive roots