The correct answer is D. A concrete example is one that provides a clear situation in which the abstract idea, in this case the author's argument, is exemplified. This option not only prepares the reader for the example, but also gives specific details about what could be regulated.
Answer:
Baltimore, Maryland, U.S. Edward Witten (born August 26, 1951) is an American mathematical and theoretical physicist. ... In 1990, he became the first physicist to be awarded a Fields Medal by the International Mathematical Union, awarded for his 1981 proof of the positive energy theorem in general relativity.
Answer:
You can make a schedule. The use of a schedule will help you organize what you have to do. A schedule helps you keep track of what you should do for the day and make it less stressful than doing everything at once.
Hope this helps!
After peta, you can leave it as they or as PETA otherwise this looks great!!!