Air Pollution What controls the level? –Amount of pollutants entering the air. –Amount of space into which the pollutants are dispersed. –Mechanisms that.
4. Salinity stress Two kinds of problems due to high soil salinity 1. Osmotic stress 2. Specific ion effects of high [Na +], [Cl - ], [SO 4 -2 ] inactivate.
Where Does Air Pollution Come From? + What Kinds of Health Effects Does It Cause?