Changes to Texas Land

4. A description of land surface area with reference to variation in elevation.
7. Earth material that is broken down by processes of weathering; can be eroded and deposited by the agents of water, wind, ice, and gravity.
9. Extreme weather events such as floods, hurricanes, and tornadoes; classified by the extent and intensity of their impact on the ecosystem.
10. A relatively large area that is characterized by distinctive plant and animal communities, climate, and ecological features.
11. A violently rotating column of air extending from a thunderstorm to the ground with wind speeds between 40 and 318 miles per hour (mph).

1. The process by which gravity, water, wind, and ice deposit weathered and relocated sediment.
2. The mechanical or chemical processes by which gravity, water, wind, and ice break rocks into smaller pieces.
3. A rising body of water that submerges normally dry land.
5. A large tropical weather system consisting of an extremely low-pressure air mass with heavy rains and wind speeds of at least 119 km/h.
6. The process by which gravity, water, wind, and ice remove and transport sediment from one place to another.
8. A system comprising all the biotic and abiotic factors in an area and all the interactions among them.