Question

compact disk is consist of material?​

Answer 1

Explanation:

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⠀⠀⠀⠀⠀⠀Physical characteristics. A standard CD is 120 mm (4.75 inch) in diameter and 1.2 mm (0.05 inch) thick. It is composed of a clear polycarbonate plastic substrate, a reflective metallic layer, and a clear protective coating of acrylic plastic.

Answer 2

Explanation:

Compact Disk is composed of a clear polycarbonate plastic substrate, a reflective metallic layer, and a clear protective coating of acrylic plastic.

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