C. the origins of home video games
Paragraph four of Anna Quindlen "Quilt of a country" is mainly constructed with questions, and repeats the words "What is the point" at the beginning of each question.
She is trying to prove her point, that despite all of the cultures and ethnicities and different backgrounds that constitute the American people, it is not enough to disintegrate the nation, while other countries were torn apart by these differences.
<em>In scientific notation, you move the decimal place until you have a number between 1 and 10. Then you add a power of ten that tells how many places you moved the decimal.</em>
<em>In scientific notation, 39,940,000 becomes 3.994 × 10^7</em>
The answer is B. One of the most basic operations in glasswork is breaking glass to a desired length.
Options A, C and D do not make sense grammatically.