Across
- 3. an area of the side of a mountain away from the wind that receives little rain fall
- 4. a stream that flows into a larger river or body of water
- 6. relating to fertile topsoil left by rivers after a flood
- 7. the boundary that separates rivers flowing toward opposite sides of a continent;in North America,in the Rocky Mountains
- 8. electric power produced by moving water, usually generated by releasing water from a dam across a river
- 10. a huge slow,moving sheet of ice that fills valleys between mountains
- 11. permanently frozen layer of ground below the top layer of soil
Down
- 1. the area on Earth between the 23 degrees North and South lines of latitude,where the climate is almost always hot
- 2. routes through which people can travel by foot,vehicle,rail,ship or planes
- 5. a region of flat or rolled land covered with tall grasses
- 9. a cold,dry region covered with snow for more than half the year;a vast,treeless plain where the subsoil is always frozen