Across
1
Ridge of rock or coral near the surface
3
Landform where river meets the sea
4
Seasonal heavy rainfall
7
Tool for finding directions
9
Chain or group of islands
11
Raised area of land, smaller than a mountain
12
Large area covered with trees
Down
2
Long-term weather patterns of an area
5
Mountain that can erupt with lava
6
Large natural elevation of earth
8
Region surrounding the North Pole
10
Line dividing two countries