This is refered to as the chemical symbol. It is derived from the Latin name for the element which is why some elements like potassium (K) and sodium (N) have symbols different from their name on the periodic table.
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Well you didn’t state any possible answers but
an example of is inference is, if you see someone eating a new food and he or she makes a face, then you infer he does not like it.
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If its a herd of caddle or bulls, Somone on a horse would be riding next to the herd slowing turning the herd back to where they belong
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a struggle for existence, variation and inheritance. These are said to be the necessary and sufficient conditions for natural selection to occur.
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