Across
1
Large natural stream of water
3
Raised area of land, smaller than a mountain
4
Deep narrow valley with steep sides
6
Total number of people in an area
7
Narrow sea inlet between cliffs
9
Piece of land jutting into the sea
10
Land surrounded by water
11
Goods sold to another country
Down
2
Mountain that can erupt with lava
5
Distance east or west of prime meridian
8
Largest river in South America
12
Ocean between Americas and Europe/Africa
13
Large area covered with trees