Find the words and write them. 1.This area has got lots of trees. F_ _ _ _ _ 2.This is the place where water flows from a height into a river or lake below. W_ _ _ _ _ _ _ _ 3.This is a high area of land with steep slopes. M_ _ _ _ _ _ _ 4.There are no trees or water in this huge area of sand. D_ _ _ _ _ 5.This is a large stream of water that flows across the land,usually towards the sea. T_ _ _ _ 6.This area of land is next to the sea. C_ _ _ _