The motor unit is composed of both the skeletal and muscular systems.
Answer:
It depends, but I think you're referring to mental abuse.
Explanation:
Mental abuse can be light, or very severe. Mental abuse can lead to trauma or harmful behaviors.
Answer: He is using Be prepared and Get experience
Explanation: If the speaker is presenting his speech several times to different friends and family friends is because he wants to get the experience of what is like to speak in front of others. Also, he wants to be prepared in all the process that it takes to speak in front of others, that goes beyond just talking, there is also a way of communicating with the audience.
I would go with D
Explanation: seems most logical