1
A thick forest in tropical parts of the world that have a lot of rain
2
A large area of open land covered with wild grass
3
A very high hill, often with rocks near the top
4
The large, flat Arctic regions of northern Europe, Asia and North America where no trees grow and where the soil below the surface of the ground is always frozen
5
A large area of land that is thickly covered with trees
6
A large area of land that has very little water and very few plants growing on it. Many of them are covered by sand.
7
Connected with, or near the North or South Pole
8
The mass of salt water that covers most of the earth’s surface
4
2
6
3
1
7
5
8