Across
1
Large natural elevation of earth
4
Large natural stream of water
5
Piece of land jutting into the sea
6
Half of the Earth
10
Imaginary line around the middle of Earth
11
Cold treeless Arctic plain
Down
2
Total number of people in an area
3
Body of water surrounded by land
7
Mountain that can erupt with lava
8
Long-term weather patterns of an area
9
Landform where river meets the sea
10
Wearing away of land by water or wind
12
Distance east or west of prime meridian