A is correct.
Explanation: Because it's means it is
Its means something like theirs, itself, e.x - the dog likes to curl up in its bed.
The best and most correct answer among the choices provided by your question is the fifth choice or letter E "<span>a courtier should be able to discuss art and philosophy."
</span>The Book of the Courtier<span> is a courtesy </span>book<span>. It was written by Baldassare Castiglione over the course of many years, beginning in 1508, and published in 1528 by the Aldine Press in Venice just before his death; an English edition was published in 1561.</span>
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Answer:
I think it is the phrase however, with the way Sahara is growing in size, it may soon become larger than Antarctica
An example of reinforcement would be a mother gives her son praise (reinforcing stimulus) for doing homework (behavior). The little boy receives $5.00 (reinforcing stimulus) for every A he earns on his report card (behavior).
Answer: We need background information
Explanation: what are the events?