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.
The National Reclamation Act was an act to reclaim arid soil for farming. This was done by irrigation, which uses water, so the correct answer is C. water.
The rock is weak and molten and can actually flow like lava.
Answer:
8.04, 8.04, 8.04, 8.04, 8.15, 8.15, 8.15, 8.15, 8.009, 8.009, 8.009, 8.009, 8.009
Explanation:
Answer:
Mesopotamia was able to grow crops with no hassle. This helped Mesopotamia ensure the safety of the crops and supply food for Mesopotamia.