Question

1. The land covers about 131
per cent of the Earth's surface.
2. The lower part of a river valley is called the
part​

Answer 1

Answer:

2. A valley is a type of landform. A valley is a lower part in the land, between two higher parts which might be hills or mountains. ... A valley is made deeper by a stream of water or a river as it flows from the high land to the lower land, and into a lake or sea.