C is the answer, southern plantation owners used slaves to do free labor, by removing them they would have to hire a worker and lose money, so they did not support freeing the slaves.
Answer:
The recording of physical actions or movements of participants is called <u>Nonverbal</u> observation .
Explanation:
Nonverbal Observation -
This is type of non linguistic transmission of any kind of information , via any auditory , visual , tactile and physical channels.
Nonverbal communication refers to the transmission of any kind of signal or message via any non verbal platform ,
Non verbal platform could be by facial expression , eye contact , any gestures , posture or the distance between two peoples .
Answer: The benefits of workplace design and risk assessment
Explanation: