Across
1
Wearing away of land by water or wind
3
Flat elevated area of land
4
Raised area of land, smaller than a mountain
6
Region between the two tropic lines
7
Deep narrow valley with steep sides
10
Imaginary line around the middle of Earth
11
Where river meets the sea
Down
2
Large natural stream of water
3
Largest ocean on Earth
5
Body of water surrounded by land
8
Visual representation of an area
9
Ocean between Americas and Europe/Africa