Answer:
Cities became overcrowded as more and more people traveled to the north, looking for factory work.
Explanation:
B............................
The smoother, gentler style of singing which developed as the result of singers being able to use microphones to amplify their voices is known as crooning.
<h3>What is crooning in music?</h3>
The term crooning is used in music to give the description of the style of music that would talk about the style of singing of the male singers who would make use of a smoother singing style which is made possible by the types of microphones that they use in the creation of music.
Hence we can say that The smoother, gentler style of singing which developed as the result of singers being able to use microphones to amplify their voices is known as crooning.
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Answer: OPERANT: RESPONDENT.
Explanation: Operant behavior operates on the environment,
Respondent behavior occurs as an automatic response to some stimulus.
Operant behavior can be defined as a way of conduct through positive and negative reinforcement and positive and negative punishment. This occurs as a result of Response to circumstances surrounding an individual.
Respondent behavior can be defined as a conduct that occurs as a result of an answer or reply to some stimuli.