Across
1
Largest river in South America
5
Long-term weather patterns of an area
6
Physical features of land
7
Region near the equator
10
Largest ocean on Earth
Down
2
Cold treeless Arctic plain
3
Large area covered with trees
4
Where river meets the sea
8
Ridge of rock or coral near the surface
9
Steep rock face at edge of land
11
Vast body of salt water