| A | B |
|---|
| seepage | water infiltrates the soil |
| percolation | water seeps into the ground |
| ground water | aquifer |
| bedrock | impermeable layer under soil |
| transpiration | water vapor escapes leaves |
| precipitaation | water falls from to earth |
| evaporation | liquid to gas |
| condensation | gas to liquid |
| forms clouds | condensation |
| runoff | water running along Earth's surface |
| sublimation | solid to gas |
| vapor | gas |
| H2O | water |
| snow | crystalized water |
| hail | due to updrafts |
| clouds | droplets on nuclei (dust, etc.) |
| solidification | gas to solid |
| drinking water | needed for cellular respiration |
| water table | on bedrock |
| root uptake | from ground into plants |
| burning fossil fuels | combustion |
| assimilation | eating carbon compounds |
| cellular respiration | produces carbon dioxide |
| photosynthesis | uses carbon dioxide |
| produces sugar (glucose, etc.) | photosynthesis |
| uses glucose | cellular respiration |
| decomposition | breaks down large molecules |
| deposition | carbon "stored" in ocean |
| legumes | plants such as beans, peas, nuts, etc. |
| root nodules with N-fixing bacteria | legumes |
| Nitrogen fixation | N2 to nitrates & nitrites |
| bacteria | make nitrogen available to plants |
| plants | USE nitrates & nitrites |
| assimilation of N2 | amino acids and proteins |
| ammonia | product of decomposition |
| releases inorganic molecules | decomposition |
| nitrogen | about 79% of the atmosphere |
| bio- | living |
| geo- | earth |
| symbiotic relationship | legumes and bacteria in nodules |
