Across
1
Vast body of salt water
3
Long-term weather patterns of an area
4
Distance east or west of prime meridian
5
Flat grassland in tropical regions
8
Largest ocean on Earth
13
Half of the Earth
Down
2
Region surrounding the North Pole
3
One of seven major landmasses
4
Body of water surrounded by land
6
Height above sea level
7
Large body of water partly enclosed by land
9
Largest river in South America
10
Low-lying land surrounded by higher ground
11
Goods brought in from another country
12
Large area covered with trees