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.
(February 2015). In-group favoritism, sometimes known as in-groupâout-group bias, in-group bias, or intergroup bias, refers to a pattern of favoring members of one's in-group over out-group members.This can be expressed in evaluation of others, in allocation of resources, and in many other ways.ocial identity theory argues that one of the key determinants of group biases is the need to improve self-esteem. The desire to view one's self positively is transferred onto the group, creating a tendency to view one's own group in a positive light, and by comparison, outside groups in a negative light.