Question

Scientific Literacy
Topic: Environmental Pollution
Ray’s bus is, like most buses, powered by a petrol engine. These buses contribute to
environmental pollution.
Some cities have trolley buses: they are powered by an electric engine. The voltage
needed for such an electric engine is provided by overhead lines (like electric trains).
The electricity is supplied by a power station using fossil fuels.
Supporters for the use of trolley buses in a city say that these buses don’t contribute
to environmental pollution.
Are these supporters right? Explain your answer. ....................................................
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Answer 1

Answer:

The ray buses use fossil fuels directly to run the engine. ... This is because the electricity for the trolley buses is generated in power station using fossil fuel. The use of the fossil fuels at the power station also causes pollution. So it is false that the trolley buses cause no pollution

Explanation:

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