1. removing sulphur after combustion
2. precombustion disulphurisation
3. electricity
4. photochemical oxidants
electricity
1. CH4
2. CI
3. CO2
4. H2S
CH4
1. photodynamic action
2. destruction of hydrogen bonds between DNA strands
3. formation of pyrimidine
4. destruction of ester bonds
destruction of hydrogen bonds between DNA strands
1. nucleus
2. all cell membrane system
3. cell wall
4. membrane system
all cell membrane system
1. Greenhouse effect
2. Radioactive effect
3. Ozone layer effect
4. Solar effect
Greenhouse effect
1. 105 dB
2. 75 dB
3. 135 dB
4. 165 dB
75 dB
1. Chemical plant accident
2. River pollution
3. Toxic waste dump
4. Man-made bacteria
Toxic waste dump
1. radiation hazard
2. automobiles
3. industrial effluents
4. detergents
radiation hazard
1. cancer of any types
2. lethal mutation
3. speeded senescence
4. Any of the above
Any of the above
1. Algae contaminated with Arsenic
2. Fish contaminated with Hg
3. Fruits contaminated with Nickle
4. Rice contaminated with biofertilizer
Fish contaminated with Hg