Enviromental Changes

2. transfer of thermal energy through direct contact of particles.
7. is the main greenhouse gas but its levels are maintained in our atmostphere.
8. human made chemicals that absorb thermal energy, trapping it in the atmostsphere.
12. the emission of energy as waves or particles
13. transfer of thermal energy through the movement of particles.
14. a simple tool fro anaylizing the relative impact of the various factors of percipitation.
16. as the sun sends out its radiation it comes in straight lines.

1. layer of gases surrounding earth
3. all regions of earth do not receive the same amount of solar energy.
4. the planet earth id tilted on its axis as it orbits.
5. is caused by the 3 parts of the biosphere interacting with one another.
6. we have became highly dependent on these chemicals to run our world.
9. soild portain made of rocks, minerals and elements.
10. refers to the percent of incoming solar radiation that a surface reflects.
11. all of the water surrounding earth (97% salt water 3% fresh water)
15. of forests humans are moving into forested areas and reducing them.