<span>The sentence which does not contain any errors in comma usage is:
A. He can juggle several tennis balls, but he doesn't like tennis.
In this sentence, comma is used to denote a brief pause at the same time separates the dependent and independent clauses for emphasis.</span>
Sorry I am not positive, but I think D makes the most sense.
As stairs are made out of steps, jewelry is made out of beads. (Sorry if that doesnt make sense)
Answer:
While Cleopatra was born in Egypt, she traced her family origins to Macedonian Greece
Answer: A psychologist is a professional who practices psychology and studies normal and abnormal mental states, perceptual, cognitive, emotional, and social processes and behavior by experimenting with, observing, interpreting, and recording how individuals relate to one another and to their environments.
Explanation: an expert or specialist in psychology.
