Exam (elaborations)
Asphalt Test with 100% Verified solutions| Graded A+
- Course
- Institution
How are Natural Asphalts formed? - When crude petroleum oils rose to the earths surface and formed pools, The action of the sun and wind drove off the lighter oils and gases, leaving a heavy residue. What are the differences in asphalt and tar? - Asphalt- a dark brown black cementitious material...
[Show more]