Across
1
Land surrounded by water on three sides
5
Largest river in South America
6
Region between the two tropic lines
7
Imaginary line around the middle of Earth
8
Mountain that can erupt with lava
10
Landform where river meets the sea
11
Goods sold to another country
12
Large natural stream of water
13
Ridge of rock or coral near the surface
14
Dry land with little rainfall
Down
1
Flat elevated area of land
2
Total number of people in an area
3
Large area covered with trees
4
Height above sea level
9
Line dividing two countries