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What types of grains are desirable in sand for construction purposes?
39. What types of grains are desirable in sand for construction purposes?
- Round and smooth
- Spherical and porous
- Flat and elongated
- Irregular and angular
Answer
The correct answer is: D) Irregular and angular
Explanation
Sand grains with sharp, angular, and durable characteristics provide better interlocking and stability in construction applications.