Answer:variable - interval
Explanation: In the this scenario, The humanities instructor is using a variable-interval schedule of reinforcement. The instructor used the word 'surprise' meaning the time and date of the test isn't fixed and the quizzes will come up at unpredictable time intervals. This kind of reinforcement results in a steady response rate as it keeps students on their toes simply due to the fact that they have no idea of when the quizzes are coming up.
A general increase in prices and fall in the purchasing value of money.
Answer:
B
He helped implement peaceful integration of the city schools.
Explanation:
Answer:Providing weapons and advice to help a country defeat a terrorist group is the answer.
Explanation:
