A reinforcer is a stimulus that increases the probability that the behavior will occur again. An example of a reinforcer would be a dog treat. If you want your dog to follow the command "sit", you would follow the behavior with a dog treat, or reinforcer, to ensure that the behavior of "sit" would occur again.
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Enslaved Africans either carried African instruments with them or reconstructed them in the New World. These included percussive, string, and wind instruments, from drums and banjos to the balafo (a kind of xylophone), the flute, the musical bow (a stringed instrument), and the panpipe (a tuned pipe).
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D. transfer of heat between two objects are touching
Explanation: Conduction is the process by which heat is transferred from one object to another object that are touching and have different temperatures.
Eg: We can use hot water pack to warm our back. Or While cooking we can feel the conduction process when heat process from the bottom of the pan to the top of the pan
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Explanation: :)