In transcription what molecules and cell organelles are involved

DNA makes RNA through transcription which makes the process of protein synthesis.

affects the water bodies: excessive use of fertilizers causes eutrophication. the fertilizers which are used on plants affect the quality of land on which it is used, further causing erosion of soil. the fertilizers used on plants contain harmful chemical fumes which affect the environment.

i think that is new experiments yield untrustworthy data and should be carefully considered, because you don't know what will happen with the experiments.