Environmental science

2. thin, fragile shield that envelops the earth
5. refers to the change in the earth’s climate due to greenhouse gases
8. include nitrates and phosphates which are the limiting factors for populations of algae and other aquatic plants
10. source of energy for almost every machine
15. colorless, odorless gas that has the ability to combine with hemoglobin faster than oxygen
16. thinning of the ozone layer or the loss of the blocking effect of ozone against UV rays
17. any physical or chemical change in water that adversely affects organisms
18. introduction of solid, liquid or gaseous materials that alter the physical, chemical and biological properties of the air, and cause harm /damage to living organisms and structures
20. transportation and stationary combustion sources such as coal-fired power plants, industry
21. tiny bits of solid matter or liquid droplets that are suspended in the air for long periods of time
22. from industries such as chemical plants, paper mills, petroleum refineries and smelters
23. particles derived from soil or rock that have been or being transported by water and wind

1. soil that makes up the Earth’s crust
3. a natural resource that cannot be re-made or re-grown at scale comparable to its consumption
4. uranium to create energy
6. phenomenon that helps maintain the Earth’s surface temperature
7. can be renewable or non-renewable
9. erosion- the process by which water, wind, or ice moves particles of rocks or soil.
11. warming of the Earth’s atmosphere caused by the build up of greenhouse gases
12. made up of hydrogen and carbon
13. changes the water ambient temperature due to industries that dispose hot effluents
14. a mixture of rock fragments, nutrients,water, air, and decaying animal and plant matte
19. the very top layer of dead leaves and grass