Across
1
Area where water covers the soil
3
Region between the two tropic lines
6
Region near the equator
8
Landform where river meets the sea
9
Wearing away of land by water or wind
10
Ridge of rock or coral near the surface
Down
2
Mountain that can erupt with lava
3
Cold treeless Arctic plain
4
Body of water surrounded by land
5
Distance east or west of prime meridian
7
Largest ocean on Earth