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sulfur dioxide is extremely soluble in water, forming sulfurous acid. This acid oxidises to form sulfuric acid, which comes down in rainfall.
a short way of writing the name of a chemical compound. It shows the composition of the compound...
the stratosphere extends from a height of 10 km to 50 km above the surface of the Earth.
four shared electrons, or two shared pairs of electrons (or two covalent bonds) between the same...