Consider the following statements:1. Asphalt is a naturally occurring product having a non-crystalline structure.2. Rock Asphalt occurs in limestones or sandstones.3. Tar is the residue left after the distillation of crude oil.4. Resins in Asphalt provide the stickiness to the product.Which of the above statements are correct?

Consider the following statements:1. Asphalt is a naturally occurring

1.	Consider the following statements:1. Asphalt is a naturally occurring product having a non-crystalline structure.2. Rock Asphalt occurs in limestones or sandstones.3. Tar is the residue left after the distillation of crude oil.4. Resins in Asphalt provide the stickiness to the product.Which of the above statements are correct?
A.	1, 2 and 3 only
B.	3 and 4 only
C.	1, 2 and 4 only
D.	1, 2, 3 and 4
Answer» D. 1, 2, 3 and 4

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