1281. LPG consists of mainly:______? A Ethane, Hexane and Nonane BMethane, Ethane and Hexane C Methane, Hexane and Nonane D Methane, Butane and Propane Show answer Discuss 🔖 Save ✅ D. Methane, Butane and Propane
1282. The average adult has a blood volume of about _____ liters. A5 B4 C6 D7 Show answer Discuss 🔖 Save ✅ A. 5