Five questions from the paper you will actually sit

The Boatswain's Manual identifies polypropylene line as having a significant operational limitation compared to nylon. Which of the following correctly states that limitation?

1. A.Polypropylene has lower strength than nylon and degrades under UV exposure.
2. B.Polypropylene has poor shock absorption and is unsuitable for dock lines.
3. C.Polypropylene loses approximately 10–15% of its strength when wet.
4. D.Polypropylene sinks when loaded, increasing the risk of propeller fouling.