Answer:
French Revolution, also called Revolution of 1789, revolutionary movement that shook France between 1787 and 1799 and reached its first climax there in 1789—hence the conventional term “Revolution of 1789,” denoting the end of the ancien régime in France and serving also to distinguish that event from the later French ...
Explanation:
It means they don't want their name or face to be revealed to the public. They may want this to protect themselves and their family.
My answer is A()subtraction because didnt egyptians invented a system of mathematics???
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.