mark webb is the author of bush sense, australian essential oils and aromatic compounds. an internationally respected educator of essential oils from australia, mark is enthusiastic in furthering the understanding of essential oils and their uses. therefore, when it was announced that he would be offering...
and people. chemicals and oils aquatic animals may be poisoned by chemicals and oils. people also can be at risk if they eat contaminated fish or drink polluted water. nutrients nutrients from fertilizers or detergents can cause algae to grow in water. this algae uses up the oxygen that native organisms...