Across
1
Dry land with little rainfall
5
Where river meets the sea
6
Ocean between Americas and Europe/Africa
7
Largest river in South America
9
Distance east or west of prime meridian
11
Seasonal heavy rainfall
Down
2
One of seven major landmasses
3
Long-term weather patterns of an area
4
Cold treeless Arctic plain
8
Large body of water partly enclosed by land
10
Ridge of rock or coral near the surface
12
Large natural stream of water