Gravels
(A) Are cohesionless aggregates
(B) Vary in size between 2 to 20 mm
(C) Never swell when they come into contact with water
(D) All the above
(A) Are cohesionless aggregates
(B) Vary in size between 2 to 20 mm
(C) Never swell when they come into contact with water
(D) All the above