The 2004 Tsunami made people realize that mangroves calamities. How to mangroves function as a safety hedge?

A The mangroves trees do not get uprooted by storms tides because of their extensive roots.

B The mangroves trees are tall with dense canopies and tsunami

C The mangroves provide both food and medicines which people are in need of after any natural disaster

D The mangroves swamps separate the human settlements from the sea by a wide zone in which people neither live more venture out.