Science

2. warming/is a gradual increase in average global temperature
3. effect/is the process by which gasses in the atmosphere absorb and radiate energy as heat back to Earth
6. the angular distance in degrees, north and south from the equator
9. models/scientists predict the effects of an increase in greenhouse gasses on future global climate
10. polor/three major climate zones
13. curreents/currents on the surface of the ocean
14. tiny,solid particles that are suspended in the air of water
15. condition of Earth's atmosphere at a particular time and place
17. surface features of an area combine to form

1. when two sets of data show patterns that can be related
4. to the height of an area above sea level
5. the weather conditions of an area over a long period of time
7. age/is a long period of cooling during which ice sheets spread beyond polar regions
8. conditions in an area over a long period of time
11. currents/is the movement of water in a certain direction
12. single landmass that began to break up about 200 million years ago
16. plate motion/has contributed to long-term climate change over billions of years