Sentences of a paragraph are given below in jumbled order. Arrange the sentences in the correct order to form a meaningful and coherent paragraph.

A. But locating precisely which plots will be inundated is a great task.

B.The clock is ticking for many low-lying coastal areas.

C. Which plot will remain dry land is another much more daunting task.

D. The sea level is rising at historic rates, promising to radically redraw the map.