4. Water is indispensable for living Things.
Our world consists of land and wafer 75 percent.
Three quarters of the world is water with land
covering one quarter 25 percent. Without water,
plants and animals including human beings
would die.
5. Mangrove forest The mangrove forest
is a forest which Is located along the seacoasts.
The mangrove forest is an ecological system
iwhich endures the slight salinity and it is the first
ecosystem between the land and sea which
provides species of plants, animals including
other environmental factors such as tides, slush,
and confoins a great deal of organic elements.