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.
Answer:
theres no visual for this but the main components are the mouth, stomach and intestines
Lincoln Steffens, Jane Addams, Upton Sinclair, Ida Tarbell, Jacob Riis,
Answer:
Farmers
Explanation:
They were clearing land a lot so they can use different farming methods
Answer: Equal time rule.
Explanation:- The equal time rule specifies that broadcasters are to provide equal access to the airwaves to all legally qualified candidates for a given political office during electoral campaigns. The rule requires U.S. radio and television broadcast stations to offer equivalent opportunities to all political candidates who requested it. For instance if a radio or television station sells an airtime to a political candidates , they are required to also sell to an opposing candidates that request to buy also.