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The two examples which correctly punctuate an essential expression or element in the sentence are:
Architecture, so popular with Native Americans, is still a flourishing art.
Mexico, where sports are popular, has hosted the Olympic Games at the World Cup.
Some constituents that alter a sentence are indispensable and restrict the meaning of an altered word or prhase, whereas others aren't indispensable and don't affect its meaning. The first ones are separated from the main idea using commas.
Mexico City is home to several museums that display the country’s past. Here we don't have any non essential element.
The National Historical Museum, which is in Chapultepec Castle, is concerned with Mexico’s history since the Spanish conquest. Here, information can't be ommited and in fact, shouldn't be set off with comas, since such expression contains essential information (it is not any National Historic Museum but the National Historic Museum which is in Chapultepec Castle).
In the essay Benjamin Franklin wrote in 1784 about Native Americans, titled “Remarks Concerning the Savages of North America”, he stated that the Native Americans were called savages “because their manners differ from ours, which we think the perfection of civility; they think the same of theirs.” The theme of empathy is seen in Franklin’s essay, as he encouraged seeing the other person’s point of view in dealing with the Native Americans. In highlighting the similarity of how Native Americans conduct their public councils to how order is maintained in the British House of Commons, he promoted the value of respect for diversity.
Answer:
Limiting yourself also ruins your productivity. But once you let go of that, you'll actually get to work more often and will be more focused (instead of procrastinating, thinking you'll fail, or having doubts). The results will be great too and soon other people will start noticing it.
Explanation:
Neither Sally nor Robert called their parents.