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Author: Kwa-Zulu Natal
A guide to the first grade math olympiad
A guide to the third grade math olympiad.
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A reference guide to research techniques used in modern chemistry, material science and nano science.
A 61 page reference by the National Institute for Occupational Safety and Health (NIOSH) Office of Mine Safety and Health Research (OMSHR) evaluating the effe...
This document is based on a study of large scale properties of the universe as a whole. It aims to use the scientific method to understand the origin, evolut...
This document introduces the concept of plate tectonics and complements the visual and written information. It highlights some of the people and discoveries ...