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2
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5
6
Across
- 2. The physical features of an area of land
- 4. An underwater structure built by tiny sea creatures
- 5. A cold treeless area where the ground is always frozen below the surface
- 6. A narrow point of land that extends into water
Down
- 1. A very dry area of land with little rain
- 3. The usual weather in an area over a long time