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a county of west central England, part of Hereford and Worcester between 1974 and 1998.
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Thomas Hobbes, was an English philosopher, considered to be one of the founders of modern political philosophy
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The 3Rs by Russell and Burch are known to be the "alternative methods" to improve the treatment of laboratory animals, at the same time to advance the quality of science that uses animals for studies.
The 3Rs are Replacement, Reduction, and Refinement. Replacement is defined as minimizing the pain and suffering of the animals used in research. Reduction is for reducing the number of animals being used, and using healthier animals. Replacement is using alternative to animals such as tissue cultures and computer models.
The most significant immediate impact of the Columbian exchange was the cultural exchanges and the transfer of people (both free and enslaved) between continents.
It’s the caste system. It’s deep roots are so important it still exists today.
