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Biology, Chemistry, Science Project|April 19, 2021
Preface The use of disposable diapers that are widely sold in the market is very useful for making it easier for mothers

Chemistry, Science Project|April 19, 2021
PREFACE Cigarettes are paper cylinders with a length of about 70 mm – 120 mm with a diameter of 10 mm which

Competition, Environment, Science Experiment|March 3, 2021
Preface The use of disposable diapers that are widely sold on the market is very useful to facilitate mothers in taking care

Chemistry, Science Project|March 1, 2021
Preface Bleaching cream is a mixture of chemicals and others with properties that can lighten dark spots (brown) on the skin. The

Chemistry, Oil, Plant, Science Experiment|November 7, 2018
Essential Oils from Plants Experiment Introduction Some plants contain pleasant smelling oils called essential oils. These oils can be extracted by steam