Answer:
Carley's opinion is that a puppy would be a great birthday gift. She uses scientific evidence about children learning responsibility to support her opinion.
Explanation:
Cultural diffusion. Cultural diffusion is how all religion spreads.
Answer:
What are the 3 basic questions that every economic system must answer? What to produce? How to produce? Whom to produce it for?
Explanation:
we learned this in 8th grade
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.