Knowledge used in diagnosing, preventing, treating, controlling, or curing diseases of plants and animals is mainly generated through

Biological research.

Explanation:

Biological research, besides being a way to build knowledge and information, is the basis for human progress in the scientific, technological and even cultural world. All the knowledge used in the diagnosis, prevention, treatment, control or cure of plant and animal diseases that we know today has been generated mainly through biological research.

Doing scientific research means defending an idea by basing it on bibliographies and data extracted from the real world and / or pages that are world mirrors. It is also to make queries through questionnaires, deductions, implications, proofs, related people at the same time to show through graphs the analyzes and interpretations of the results obtained with the research. It is seeking new information from existing ones and crossing knowledge. It is looking at the world and perceiving the "new".

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.

chert is a sedimentary rock composed of microcrystalline or cryptocrystalline silica. with this little bit of information, you can come to the conclusion that your answer is c.  

explanation: