______ are formed by decomposition and alteration of the remains of plants, protists, and animals over a time span of several million years. renewable energies fossil fuels both a and b none of the above

______ are formed by decomposition and alteration of the remains of plants, protists, and animals over a time span of several million years.

renewable energies

fossil fuels

both a and b

none of the above

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______ are formed by decomposition and alteration of the remains of plants, protists, and animals over a time span of several million years. renewable energies fossil fuels both…

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