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subduction volcanic island arc trench

...biodiversity crisis? a increased atmospheric carbon dioxide b ozone depletion c acid precipitation d introduced species e zoned reserves I think the answer is d

a) result in a polypeptide that is one amnio acid shorter than the one produced prior to the mutation b) result in a shortened polypeptide chain c) result in amino acid substitution d) alter the location at which transcription of the next gene begins e) alter the reading frame