Living things get rid of wasted by the process of

While the answer of this could be decomposition, the general breakdown of organic material into it's component parts, this could also be when during metabolic processes, an organism generates heat, which is radiated away and the energy of which is essentially "wasted", not serving any process.

Hope this helped :)

it creates acid rain

nucleic acid molecules are incredibly complex, containing the code that guarantees the four different nucleotide units comprise dna, the nucleic acid of interest to the genealogist. and one of four nitrogen-containing molecules called nucleotides