A. 4.3 Billion yearsB. 4.4 Billion yearsC. 4.5 Billion yearsD. None of these
Read moreA. Gum diseaseB. Skin problemC. osteoporosis and fracturesD. Eye-sighted weakness
Read moreA. PlasmaB. LiquidC. GasD. Solid
Read moreA. Breadith of treeB. Burning capacityC. Heat radiationD. Bearing capacity
Read moreA. 1953B. 1955C. 1957D. 1857
Read moreA. 7B. 8C. 9D. 6
Read moreA. DebyeB. CmC. WeberD. Coulumb
Read moreA. ViralB. BacterialC. FungalD. Parasitic
Read moreA. EyesB. BrainC. HeartD. Lungs
Read moreA. IronB. CalciumC. MagnesiumD. Potassium
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