Challenge it! Crossword
Across
- 2. introduction of harmful materials into the environment
- 5. the movement of fluid
- 7. the northern and southern ends of the axis of rotation
- 9. a seafloor mountain system formed by plate tectonics
Down
- 1. It can flow (all liquids and gasses are this)
- 2. a group of materials either synthetic or naturally occurring, that may be shaped when soft
- 3. circular pattern of currents in an ocean basin
- 4. thermo-temperature haline-salty/saline
- 6. the regular rise and fall of ocean levels
- 8. A force that pulls downward