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that may be, a fabric whose molecules are incredibly significant, often resembling extended chains designed up of the seemingly infinite number of interconnected hyperlinks. Purely natural polymers including rubber and silk exist in abundance, but mother nature?�s ?�plastics??have not been implicated in environmental pollution, since they tend

Make sure you consist of your e mail deal with Should you be happy to be contacted regarding your suggestions. OUP will not use this electronic mail address for another reason. residue??accumulates, They might shut down, burn out, and develop into considerably less inclined or able to offer of themselves.|This delivers into question the definition