When hot water is placed into an empty water bottle, the bottle keeps its shape and does not soften. What type of plastic is the water bottle made from?
A. Thermoplastic
B. PVC
C. Polyurethane
D. Thermosetting
Answer: Option D
A. Thermoplastic
B. PVC
C. Polyurethane
D. Thermosetting
Answer: Option D
The fibers, such as nylon and polyester, that are made from chemical substances are called:
A. Natural fibres
B. Wool
C. Synthetic fibres
D. Silk
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