Jon- Your description of air and your definition of mixtures are good. However, we were asked why we believe that air is a mixture. In other words, we were asked for evidence. The sort of facts you cite were not discovered by reading textbooks but by doing real experiments.
Ingroup bias, sometimes known as in-group favoritism, in-groupâout-group bias or intergroup bias, refers to a pattern of favoring members of oneâs in-group over out-group members.This can be expressed in evaluation of others, allocation of resources and many other ways.ngroup bias, sometimes known as in-group favoritism, in-groupâout-group bias or intergroup bias, refers to a pattern of favoring members of oneâs in-group over out-group members.
What Is Bias? A bias is a tendency. Most biasesâlike preferring to eat food instead of paper clipsâare helpful. But cognitive shortcuts can cause problems when we're not aware of them and we apply them inappropriately, leading to rash decisions or discriminatory practices. Stereotype threat, for example, is the confirmation of negative stereotypes about another person's race, gender, group, and so on.