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A system which does work on the surroundings with no heat change has
Public Opinion
The collective preferences or views of a people on topics of interest or importance, often measured through surveys or opinion polls.
Newspapers
Publications containing written news, features, and advertising, typically issued daily or weekly.
Social Changes
Alterations in societal structures and cultural practices over time, driven by various factors including technology, economy, politics, and cultural innovations.
Cultural Changes
Transformations in the societal norms, values, customs, and arts of a community or society over time.
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