Environmental Chemistry Set 1

Positively charged ✘ Negatively charged ✘ Neutral ✘ Combination of all (a), (b) and (c) ✔ NULL ✔ NULL NULL

Burning ✘ Breathing ✘ Organic decay ✘ Photosynthesis ✔ NULL ✔ NULL NULL

Cancer ✘ Silicosis ✘ Respiratory diseases (e.g. Asthma) ✘ Reduced crop yield ✔ NULL ✔ NULL NULL

Pesticides ✘ Atomic explosions ✘ Aerosols and high flying jets ✘ Balloons ✔ NULL ✔ NULL NULL

Mesosphere ✘ Stratosphere ✘ Thermosphere ✘ Troposphere ✔ NULL ✔ NULL NULL

Paralysis of muscles and loss of appetite ✘ Nervous depression ✘ Gastritis and diarrhea ✘ All of the above ✔ NULL ✔ NULL NULL

Deforestation ✘ Rapid industrialization ✘ Increased transportation activity ✘ All of the above ✔ NULL ✔ NULL NULL

Burning coal ✘ Burning garbage ✘ Coal fire ✘ Steam engine ✔ NULL ✔ NULL NULL

Fluorine ✘ Chlorine ✘ Nitrogen dioxide ✘ Sulphur dioxide ✔ NULL ✔ NULL NULL

✘ ✘ ✘ ✔ NULL ✔ NULL NULL