Hamad Soil Science 16/08/2023 A. 4.5 billion years B. 4 billion years C. 1 billion years D. 6 billion years Related Mcqs: Organic soil are called____________________?A. Peat B. Arid soil C. Muck D. Both a & b... When two or more functional groups of single ligand are coordinated to metal cation the complex is termed as___________________?A. Chelate B. Solution complex C. Complex ion D. All the above... Which instrument is used for determining soil texture___________________?A. Lysimeter B. Hydrometer C. Thermometer D. All the above... Solution containing molecular weight of a substance in gram per liter of a solution is known as______________________?A. Normal B. Molal C. Molar D. None of the above... Secondary air pollution is _____________________?A. HNO3 B. CO3 C. CO2 D. All the above...
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