| A | B |
|---|
| EVAPORATION | LIQUID WATER BECOMING WATER VAPOR |
| TRANSPIRATION | EVAPORATION FROM THE SURFACE OF PLANTS |
| CONDENSATION | WATER VAPOR BECOMING LIQUID WATER |
| PERCOLATION | LIQUID WATER PENETRATING THE SOIL |
| PRECIPITATION | WATER FALLING FROM THE SKY |
| NITRIFICATION | CONVERSION OF AMMONIA INTO NITRITE AND NITRATE |
| DENTRIFICATION | CONVERSION OF NITRATE INTO NITROGEN GAS |
| AMMONIFICATION | CONVERSION OF ORGANIC NITROGEN INTO AMMONIA |
| NITROGEN FIXATION | CONVERSION OF NITROGEN GAS INTO AMMONIA |
| ASSIMILATION | CONVERSION OF INORGANIC NITROGEN INTO ORGANIC NITROGEN |
| COMBUSTION | BURINING OF ORGANIC MATERIAL THAT PRODUCES CARBON DIOXIDE |
| DECOMPOSITION | BREAK DOWN OF ORGANIC MATERIAL THAT RELEASES CARBON DIOXIDE |
| RESPIRATION | CONVERSION OF ORGANIC MOLECULES INTO INORGANIC MOLECULES (LIKE CARBON DIOXIDE) |
| PHOTOSYNTHESIS | MAJOR PROCESS CONVERTING INORGANIC CARBON INTO ORGANIC FORMS |
