Across
1
Goods brought in from another country
4
Flat grassland in tropical regions
6
Largest river in South America
8
Cold treeless Arctic plain
10
Tool for finding directions
13
Dry land with little rainfall
14
Distance east or west of prime meridian
Down
2
Total number of people in an area
3
Large area covered with trees
5
Ocean between Americas and Europe/Africa
7
Piece of land jutting into the sea
9
Largest ocean on Earth
11
Mountain that can erupt with lava
12
Where river meets the sea
15
Deep narrow valley with steep sides