Rain, plant roots, tempeture, biological acivity
205 units. If those are millimeters then it would be 205 millimeters. If its supposed to be in meters, it would be 0.205 meters.
Milk is best described as a colloid because colloids are mixtures that have particles that do not settle out. Colloids are also not large enough to be easily filtered out, yet they are big enough to be able to scatter light, therefore making the mixture seem cloudy.
On the reactants side, you'll always have some sort of compound of carbon and hydrogen and oxide, while the products will always be CO2 (carbon dioxide) and H2O (water)