Answer:
Independent group contingency
Explanation:
Independent group contingency are reward systems in which members of a group (children) individually earn token reinforcers demonstrating ideal behavior.
Although there is much to be done, especially with the funding for our legal aid programs, Tennessee is the national model for advancing the promise of “justice for all.” they are on a road of perfecting the judicial system that began more than 800 years ago with the crowning of England's King Henry II.
Answer: B
Explanation: In relation to the water difference.