A tobacco addict is having severe withdrawal symptoms, but as soon as he/she smokes another cigarette, he/she feels better. If you decide the behaviour is an example of classical conditioning, you should identify the UCS, UCR, CS, and CR. If you decide the behaviour is an example of operant conditioning, you should identify which type of consequence was responsible for the behaviour change: Positive Reinforcement, Negative Reinforcement, Positive Punishment, Negative Punishment. Explain how you came to your conclusions.

An object weighs 40n in air , weighs 20n when submerged jn water and 30n submerged in a liquid of unknown density .what is the density of the liquid?

1of the following choices, which one best describes one way that christianity came to east africa? a. christians traveled in caravans through the sahara desert and introduced the people of mali to a new religion. b. christian traders from the mediterranean interacted with the people of axum. c. christian military from west africa traveled across the continent to bring their religion to the people of east africa. d. christian rulers from asia traveled to east africa to bring their religion to the people. 2 which trade item from outside the region did west africans need most? a. gold b. camels c. salt d. iron

The principle of checks and balances is based on the notion that