In order to study which has greater influence, biological or social factors, researchers use . If the phenomena is present in several different cultures is is more likely that biological factors are present.

Animal models

Explanation:

In simple words, Animal models have been utilized to learn more about an illness, including how to avoid, diagnose, and cure it. Researchers can conduct studies on animals which would be impossible or unethical to conduct on people.

The most prevalent models are exploratory simulations. These are illness models that are produced intentionally in the lab and have phenotypes or responses to treatment that are similar to human diseases.

answer; the supreme court was placing age in the non-suspect classification category;

answer; /// department of health and human services;