Animals are used in experiments because they have somewhat similar structures as humans so they can gauge a human's reaction to something.
Also because the animals can't say no. :(
Answer:
C, hope u have a good day
Explanation:
They should learn about concussions and the causes so they can prevent getting them. especially in pe class where most activities could cause them to get it.
I believe the answer is: The result of legal scholars' research
Source of laws refers to the origin of binding rules that become a basis for a government to rule over its territory. To be a source of laws, the result of the researches must be tested by different variety of experts from different fields to proof its validity, so scholar's research would most likely cannot be included.
The correct answer would be positive self-task
