Question

paragraph on pollution by transportation​

Answer 1

Answer:

Vehicle Pollution can be defined as the introduction of harmful materials into the environment by motor vehicles. These materials are known as pollutants, and they have several adverse effects on the ecosystem and human health.

Transportation is a primary source of air pollution in several countries worldwide because of the high number of vehicles available on the roads nowadays. The air pollution due to vehicles in urban areas, especially in big cities, has become a severe problem. In today’s world life without vehicles is unimaginable, and even though vehicle pollution cannot be eliminated, it can still be controlled or reduced to manageable levels

Answer 2

The most significant transport emissions to the atmosphere by mass are carbon dioxide (CO2) and water vapour (H2O) from the complete combustion of the fuel. Some transport power sources achieve almost complete combustion by ensuring there is plenty of excess air, as in a diesel engine or a lean-burn petrol engine.

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