The answer is definitely A i put B on my USATestPrep and it was wrong
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.
Cabinet is the correct answer
The cardinal, collateral and subcolateral points are widely used by the compass - millennial object of geographical location. Even the most current technologies, such as GPS and internet maps, need cardinal points to guide their cartographic arrangements. Therefore, understanding these points is of fundamental importance for those who wish to use these instruments.
Basically, the effect is that Europe could be facing the sun or away from the sun. when its close to the sun its hot. when its far away from the sun its cold.