Answer:
True.
Explanation:
It's actually twice as old as we previously thought making it the oldest ritual we know of.
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The answer is C. It checks the power of congress and the president and balances the power out.
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. :(
I think the answer is Survival.
Hope this Helps!
