It is the natural/genetic ability of an organism to avoid or repel attack by biotic agents (pests etc.) or to withstand the effects of abiotic agents example (chemicals).
The reducing sugars are mainly monosaccharides where all polysaccharides are non-reducing sugars. The reducing sugar can reduce the capric ions of the Fehling or the Benedict solution into the cuprous ions whereas, the reduction of cupric ions into the cuprous ions is not achieved in the non-reducing sugars.
The correct answer is animal waste and fertilizers
They change the narrative to their political advantage