Question

Poland is filled with many rich deposits of coal. After centuries of mining, the country's land has become disfigured. When Poland joined the European Union in 2004, the country began to make efforts to improve their environment. One of the efforts included a recycling program for the waste from coal mines. How might recycling coal waste help the environment in Poland?

It makes less air pollution in Poland.
It leaves less pollution in the ground.
It makes people switch to new fuel sources.
It cleans the coal so there is no waste.

Answer 1

What subject is this from?

Answer 2

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