Newspapers (Wall Street Journal op-eds)
Television (Real Time With Bill Maher, Sean Hannity)
Internet (Breitbart, Infowars)
Magazines (National Enquirer, Texas Monthly)
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 coordinates of the fourth vertex of the rectangle is : (B). (3, 6)
<h3>Meaning of Coordinates</h3>
A coordinate can be defined a value that describes an object location in a grid or Cartesian system
A coordinate in this case helps us to trace the points of the rectangle of interest.
In conclusion, The coordinates of the fourth vertex of the rectangle is : (B). (3, 6)
Learn more about coordinates: brainly.com/question/3447129
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The communist Manifesto was written by Karl Marx and by Friedrich Engels- Engels is the person you were looking for!
There is some discussion about the role of both authors in writing it, and some people suggest that Karl Marx did most of the work, with Engels having a smaller role.