Answers

2015-03-05T14:06:25+05:30
Reduction of air pollution can be done by: 1.planting trees 2.using CNG and LPG. 3. using smokeless stoves 4.electrostatic precipitators 5.catalytic convertor 6.use of unleded petrol
0
2015-03-06T22:43:37+05:30
Using cng as a fuel.by minimizing using of petroleum products.by avoiding using vehicles for travelling short distance
0