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Like insects, lobsters and crabs, spiders are arthropods , which is Greek for "jointed legs". Spiders have eight legs, insect have only six. A spider's body is in two parts, with six silk glands on the end of the back part. From these glands (x) a liquid which turns into silk on contact with air. As it is produced the spider holds the silk thread with one leg. It can vary the kind of silk. When spinning a web. a garden spider begins with a large thread square. Then it works from the middle to the edge, puffing in about thirty strokes or rays of thread. Then it changes (y) again and makes a series of sticky spirals from the centre outwards. To complete the web, the spider spins a thread from the centre to a hiding place nearby. Webs can be 3 metres across or as (z) as a postage stamp
What is the appropriate word to fill in the letter (z)?
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A. Acfreelance
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