Karla's ap® psychology teacher wants to make sure students are reading every night. she tells them they will have quizzes, but does not tell them when. the first week, karla had a "pop quiz" on monday, but the next week she had a "pop quiz" on wednesday and thursday. this week, karla is going to read every night because she wants an "a" and does not know when the next "pop quiz" will be. karla's ap® psychology teacher is using which schedule of reinforcement?

30 points in a citizens elect the president as head of government separately from the legislature. question 1 options: parliamentary democracy communist state presidential democracy autocratic state question 2 (1 point) this form of government has only a single political party. question 2 options: communist democratic autocratic parliamentary question 3 (1 point) this is a government controlled by one person with absolute power. question 3 options: communist democratic autocratic parliamentary question 4 (1 point) a government is a government system where all citizens that choose to vote have a say in their government. question 4 options: communist democratic autocratic theocracy question 5 (1 point) in a the people elect the legislature, and the legislature chooses the head of government. question 5 options: parliamentary democracy communist state presidential democracy autocratic state

Abrief, "first-step" presentation of a work to be completed is called a

To what is the growth of civilization most clearly traced