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:
1.Their river was called The Nile river,2. Summer would get to them first.3.They owned slaves before anyone else did.
Explanation:
Answer:
Patrick
Explanation:
the correct answer is Patrick, who gives money to a local charity every week.
Altruistic means showing a disinterested and selfless concern for the well-being of others; unselfish.
Patrick is unselfish because every once in a while, he donates money to charity and that is a good thing!
Sub saharan africa.......................
Held morally responsible for what we do.
Hope this helped! <span />
