Question

please give the right answer
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Answer 1

Answer:

1.fill in the blanks

1.carbondioxide, oxygen.please mark me brialiantlist

Answer 2

Answer:

2.

1) Sericulture

2) Silk

3) Pheromones

4) Rayon

3.

1) The process of removing the fleece of the sheep along with a thin layer of skin is called shearing.

2)Microstructure and appearance. Raw silk is composed of two important proteins: fibroin (the silk filament) and sericin (the gum).