Question

Which tissue in the sink functions as a waterproof membrane ?​

Answer 1

Answer:

There are many types of waterproofing materials. Some of the best and most common include; Polyurethane, Cementitious Coating, EPDM Rubber, Rubberized Asphalt, Thermoplastic, Bituminous Membrane, and PVC Waterproofing Membrane.

Explanation:

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Answer 2

Answer:

Epidermis is the outermost layer of the skin. It forms the waterproof, protective wrap over the body's surface and is made up of many layers of epithelial cells, as shown in the Figure below.

Explanation:

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