B because because because because
Decomposers are necessary to the food chain because they break down the results of the food chain into the basic elements that producers can then use to begin the process over again. Decomposers include groups of bacteria that help to speed up the decaying process of dead plants and animals.
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The answer is oral language skills which refer to the ability of one to break down the speech in smaller units of a sentence and syllable. This is vital in jobs which require people to communicate with others like politicians, negotiators, salesmen, etc.
