The following selection has a main idea that may appear at a…
The following selection has a main idea that may appear at any place within the paragraph. Identify the main idea of the paragraph by choosing the number of the sentence. The number of each sentence comes before it. 1 Though natural-fiber purists may turn up their noses at it, polyester-and-cotton blend clothing has advantages over all-cotton garments. 2 For one thing, polyester, which is manufactured, costs less than cotton, which grows naturally but is expensive to process. 3 Therefore, cotton/polyester clothing is more economical than pure cotton garments. 4 Also, the polyester content of cotton-blend clothing helps the garments retain their shape after repeated washings. 5 That’s because this synthetic does not share cotton’s tendency to shrink or stretch after immersion. 6 But perhaps polyester’s most endearing quality is its “no-wrinkle policy.” 7 Unlike pure cotton, polyester blends require little or no ironing.