Science, asked by rajyadav2659, 1 month ago


Sovle the MCQ.




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Answers

Answered by JonathanFrancis
1

Answer:

1.Polyestrene

2.100 years

3. SiO2

Answered by prskoranga
2

Answer:

1. polyurethane or polystyrene foam

2. 100 years

3. SiO2

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