Burning coal causes a large amount of air pollution.
When coal is burned, it releases many air pollutants. This includes mercury, lead, sulfur dioxide, nitrogen oxides, and other unsafe gasses and heavy metals. This is extremely harmful for humans and the Earth.
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I had done a search on the internet
Amino acids form ionic bonds called 'hydrogen bonds' with hydrogens attachjed to other amino acids. This happens to hold your DNA double helix together :)
