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Wednesday, 24 May 2017

The Impact of Environment-Bua

Writing Assignment 50 words-The impact of environment

   Acid rain

Acid gases are produced when fossil fuels like coal and oil are burned in power stations, factories and in houses. Acid gases go up into the sky, and when they mix with the clouds, it can cause rain - or snow, sleet, fog, mist or hail - to become more acidic.

When acid rain falls down, it affects trees, lakes, buildings and farmland. It can be very harmful to the environment. It also affects our health. When we breathe in air pollution, they can cause breathing problems.

When we burn fuels, sulphur and nitrogen are released into the air. Then they mix with water in the air and are transformed into different chemicals called 'sulphur dioxide' and 'nitrogen oxides'

The pH scale measures the strength of acids and alkalis.