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Explanation By looking at past concentrations of greenhouse gasses in layers in ice cores, scientists can calculate how modern amounts of carbon dioxide and methane compare to those of the past, and, essentially, compare past concentrations of greenhouse gasses to temperature. Ice coring has been around since the 1950s.n:
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What give me a few minutes I have to finish my test them I will answer in comments.
Its chemical name is Aluminium Sulfite.
A large quantity if hydronium ions indicates an Arrhenius acid.