Create an account
nonliving, physical features of the environment, including air, water, sunlight, soil, temperature, and climate
coal, oil, natural gas, and other fuels that are ancient remains of plants and animals. Hydrocarbon
process by which plants use the sun's energy to convert water and carbon dioxide into sugars
biogeochemical cycle that describes transformation of these compounds in nature CaCO3, CO2, HCO3−, CH4, R-CH3
biogeochemical cycle that describes the transformation of these compounds in nature N2, NH4+, NH3, NO2-, NO3, R-NH2
notation that shows what elements a compound contains and the ratio of atoms or ions in the compound
A pathway by which a chemical elements moves through both living and non-living components of an ecosystem
CO2, colorless, odorless gas, produced by burning carbon and organic compounds and by respiration and absorbed by plants in photosynthesis.
CH2O, common names sugar and starches. Form of chemical energy for cells, broken down into glucose
NH3, A colorless gas with a characteristic pungent smell. It dissolves in water to form a strong base solution.
Please allow access to your computer’s microphone to use Voice Recording.
Having trouble? Click here for help.
We can’t access your microphone!
Click the icon above to update your browser permissions and try again
Reload the page to try again!Reload
Press Cmd-0 to reset your zoom
Press Ctrl-0 to reset your zoom
Please upgrade Flash or install Chrome
to use Voice Recording.
For more help, see our troubleshooting page.
Your microphone is muted
For help fixing this issue, see this FAQ.
Star this term
You can study starred terms together