Q.4 A soil sample has 14% retained on No. 4 sieve, 60% passed NO. 200 sieve, LL = 65 and PL = 35. According to the Unified Soil Classification System (USCS). Answer the next two questions Answer questions Q.4 (a) and (b) :") O (2) jlb Q.4 (a) The group symbol of the :soil is CH O MH CL O ML O (2) Q.4 (b) The group name of the :soil is Elastic silt o Elastic silt with sand Gravely elastic silt O Sandy elastic silt