Across
- 3. Low area of land between hills or mountains typically with a river flowing between.
- 5. Coarse-grained intrusive igneous rock composed mostly of quartz, alkali feldspar, and plagioclase.
- 6. Fertile area of a desert that sustains life and provides habitat. Surface water may be present.
- 8. The study of rocks
- 10. Rock or Sediment containing metals or mineral.
Down
- 1. Highland consisting of flat terrain that is raised sharply above the surrounding area on at least one side.
- 2. Slowly moving mass or river of ice formed by the accumulation and compaction of snow on mountains or near the poles.
- 4. area where the vegetation is dominated by grass.
- 7. Northern most zone of the Earth.
- 9. Shape of the earth