Across
1
Large natural stream of water
3
Low-lying land surrounded by higher ground
4
Wearing away of land by water or wind
5
Vast body of salt water
8
Ridge of rock or coral near the surface
9
Goods brought in from another country
10
Region near the equator
13
Distance east or west of prime meridian
Down
2
Ocean between Americas and Europe/Africa
3
Line dividing two countries
6
Cold treeless Arctic plain
7
Dry land with little rainfall
10
Region between the two tropic lines
11
Raised area of land, smaller than a mountain
12
Total number of people in an area