Across
1
Landform where river meets the sea
4
Seasonal heavy rainfall
5
Flat elevated area of land
6
Land surrounded by water
7
Deep narrow valley with steep sides
Down
2
Largest river in South America
3
Piece of land jutting into the sea
7
Tool for finding directions
8
Wearing away of land by water or wind
9
Vast body of salt water
10
Large natural stream of water