E. FILL IN THE SLANKS 1. Air is a ------ of heat 2. The process to obtain animals or plants having special characteristics is called ---------- breeding 3. The sikworm changes into a ------------- inside the cocoon. 4. After shearing, scouring and sorting a wool fires are --------- in desired colour 5. To get silk thread from the cocoons, they are -------- in water
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1. Poor conductor
2. Selective breeding
3. pupa
4. dyed
5. boiled
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