The answer is D. A universal motor uses brushes made out of carbon. The softness of the carbon allows easy direct radial contact with the communicator without any damage. It also allows easy reversal of rotor direction. A carbon brush has a flexible copper jumper lead attached.
Answer: Subculture
Explanation: Subculture is one aspect of culture in general, or rather the cultural characteristics of a community within the wider social collage. Thus, a particular community represents a subculture by its special, different from majority, beliefs, customs, characteristics, behavior, etc. It may not only be a particular group on the basis of their religious preferences and diversity, such as the Jewish community, but also any other group whose diversity is based on criteria other than religious, such as artistic, political, etc.
Since blacks people wether they were free or not are not considered American Citizens therefor the answer is C
Explanation:
our heritage are being damage day by day. list the ideas to protect these heritages.
