Answer:
vigorous , strong are the other words for powerful
Answer:b. caused real GDP to fall dramatically between 1929 and 1933.
Explanation:The Great Depression started in 1929 became the longest and deepest economic crisis at least in recent economic history which caused real GDP to fall dramatically between 1929 and 1933.
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.
If this is the same question, the answer is psychoanalytic.
