Homework (page 47)

 Is a large mass of ice that moves slowly down a mountain valley.This is Vatnahokull. Is a place where a river or stream drops down over a cliff or rock.This the "Blue Water Waterfall" in Mexico.They are the more beautifull waterfall of Mexico, and maybe the beautest in the world. Is a place where a river or stream drops down over a cliff or rock.In the north of Zamora, near the confluence of the regions of Galicia and Castilla y Leon, it extends the Natural Park of Sanabria Lake.
 A river is fresh water flowing across the surface of the land, usually to the sea. This is the Nile river, in Egypt. It is the largest river in the world.
 Is an area of low land near the sea where a river separates into many smaller rivers.This is the delta of the river Nile. I like it so much!
 Is a river or stream that flows into a larger river. This is the panttanal tributary.
 Is a large amount of water moving very quickly in a particular direction. This is Pico Lustou torrent. Is an area of soft muddy ground. This is a blancked bog.
 Is the regular rising and falling of the level of the sea.
 The smooth steady movement of the river.