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.
Answer:
Normal
Explanation:
Natural reaction of the human body
Answer:
The US feared communism during the cold war because they thought that it would put limits on their freedoms. The US felt that if their rights were taken away communism would make it to where they would never be able to get out of control of communism. And it would make it where the US would never be able to gain back any power they had in the first place, or go above their power level.
Explanation:
(I hope this made sense)