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.
Superiority bias is when people think too much of themselves without good reason. They overrate their positive qualities and abilities, and underrate their negative qualities. Other phrases for this are: illusory superiority, the above average effect, leniency error, sense of relative superiority, the primus inter pares effect, and the Lake Wobegon effect. This was named after Garrison Keillor's fictional town where all the children are above average.