Which of the following is an example of a scientist being ethical? a. developing new materials for air conditioners that are cheaper but are also harmful to the atmosphere  b. assigning volunteers to different study groups without telling them they might or might not receive a test drug  c. animal research done under the supervision of people who understand animal healt   d. developing a new chemical that is effective at killing insects on food but will contaminate drinking water

C. Animal research done under the supervision of people who understand animal health.

Explanation:

Research ethics deals with the standards and criteria for conducting research and experimental procedures. It includes the principles which are committed to protect the rights, dignity and welfare of the research participants. It also deals with the protection of the environment and the human society. According to the research ethics the participants must be aware of the concept and purpose of the study.

C. is the correct option this is because of the fact that in this people or participants of the study are aware of the concept and purpose of the study and they also exhibit knowledge of animal health.