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SIPSAWIYA.COMStructure and Properties of matter. Introduction to Preodic Tablel. Energy And Continuity of Life. Diversity of Plant Life. Plant form And Function. Descriptive Chemistry Of Elements. Introduction To Chemical Analysis. Animal Form And Evolution. How Science is done? Monday, August 17, 2015. Today, all distances are measured in terms of the metre. However, it was difficult ta make replicas and maintain them in the laboratory. So, in 1960,. A new standard was adopted which was easier to reproduce and measu...
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