€‹you scan the night sky looking for meteors or comets. they appear at unpredictable times. this is an example of which type of schedule of reinforcement?

The graph shows a student’s data from an investigation about plant growth in five plants of the same type.

35 points pls fast. 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

What caused the settlement of more african americans in the mississippi alluvial plain region then in the ozark mountains region?