Across
1
Low-lying land surrounded by higher ground
3
Dry land with little rainfall
4
Largest ocean on Earth
7
Deep narrow valley with steep sides
11
Goods sold to another country
14
Ridge of rock or coral near the surface
Down
2
Region between the two tropic lines
5
Narrow sea inlet between cliffs
6
City that is seat of government
8
Body of water surrounded by land
9
Vast body of salt water
10
Imaginary line around the middle of Earth
12
Largest river in South America
13
Landform where river meets the sea