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If you chose "d" as the answer, you are correct!

Wool is: a.) a fiber that forms the coat of sheep. b.) one of the few replenishable natural commodities. c.) a natural insulator and is used to make warm clothes. d.) all of the above.

Why answer "a"? Wool is one of four natural fibers. Natural fibers are cotton, silk, flax (linen), and wool. Natural fibers are found in nature, that is, they come from plant or animal sources. Wool comes from animal sources, such as sheep. Other sources of wool include goats, muskoxens, vicugnas, alpacas, camels, and rabbits. A picture of each animal is listed below.

Domestic sheep Cashmere goat Muskoxen Vicugna Alpaca Camel Angora rabbit Angora goat
 * <span style="color: #000000; font-family: 'Comic Sans MS',cursive; font-size: 130%;">*Sources: InFashion Textbook by Elaine Stone for text; Wikipedia.com for images **

<span style="color: #ff0000; font-family: 'Comic Sans MS',cursive; font-size: 21px;">Why answer "b"? <span style="color: #000000; font-family: 'Comic Sans MS',cursive; font-size: 130%;">When a sheep's coat is sheared time after time, it quickly grows a new one. Shear means to cut or clip the hair, fleece, wool, etc. from. The below link connects to a video that shows the process of shearing done in 60 seconds in New Zealand!

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 * <span style="font-family: 'Comic Sans MS',cursive; font-size: 130%;">*Sources: [|www.metacafe.com]; InFashion Textbook by Elaine Stone; Meriam-Webster The Free Dictionary ([]) **

<span style="color: #ff0000; font-family: 'Comic Sans MS',cursive; font-size: 21px;">Why answer "c"? <span style="color: #000000; font-family: 'Comic Sans MS',cursive; font-size: 130%;">Wool fiber has a natural crimp that is ideal for the production of bulky yarns that trap air to form insulating barriers against the cold. This is why it is used to make warm clothes, such as sweaters. However, wool is now being treated to make new lightweight fibers suitable for year-round wear. The picture of the dress below is an example of this. The sweater is a cashmere sweater from Neiman Marcus made for cold weather. The original price is $425, but it's on <span style="font-family: 'Comic Sans MS',cursive; font-size: 130%;">sale for $195! One reason cashmere is expensive is because there is less harvest and a high demand, which increases the price. It can also take four years before a single goat can produce enough wool for a coat!

<span style="font-family: 'Comic Sans MS',cursive; font-size: 130%;">Ralph Lauren Black Label Edwina Lightweight Wool Dress

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<span style="font-family: 'Comic Sans MS',cursive; font-size: 130%;">Neiman Marcus Tie-Neck Pullover <span style="font-family: 'Comic Sans MS',cursive; font-size: 130%;"> <span style="font-family: 'Comic Sans MS',cursive; font-size: 130%;">** *Sources: InFashion Textbook by Elaine Stone; Google Images at google.com (Ralph Lauren dress); [|www.neimanmarcus.com] (sweater); **[] <span style="font-family: 'Comic Sans MS',cursive; font-size: 130%;"> <span style="font-family: 'Comic Sans MS',cursive; font-size: 130%;"> <span style="font-family: 'Comic Sans MS',cursive; font-size: 130%;"> <span style="font-family: 'Comic Sans MS',cursive; font-size: 130%;">** Interesting Facts on Wool **