Across
1
Ridge of rock or coral near the surface
4
Region between the two tropic lines
5
Region near the equator
6
Long-term weather patterns of an area
8
Seasonal heavy rainfall
9
Cold treeless Arctic plain
11
Large natural stream of water
12
Body of water surrounded by land
Down
2
Where river meets the sea
3
Physical features of land
7
Large slow-moving mass of ice
10
Mountain that can erupt with lava