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Observe the effect of an acid on chalk to draw conclusions about how acid rain can cause rocks to erode.It is an educational content by education.com.By clicking on the title of this resource, you wil ...
MAIN TASK: Students make proposals to help improve the quality of the air we breathe. To make this happen it is vital to reduce emissions of pollutant gases, There are many devices and activities whic ...
MAIN TASK: Students make proposals to help improve the quality of the air we breathe. To make this happen it is vital to reduce emissions of pollutant gases, There are many devices and activities whic ...
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