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Topic: Environmental Conservation and Safety (Refuse) Introduction The environment is said to be safe when it is free of objects that can cause accidents, objects such as broken bottles and plates, broken furniture, drugs and medicine, slippery floor, kitchen knives, empty cans with sharp edges, broken staircases and steps. Sewage: Refers to human solid and liquid […]
Topic: THE SKIN Contents: The Skin Care of the Skin Functions of The Skin Common Skin Diseases A. THE SKIN The skin is one of the hard working organs in the body. The skin is the outer covering of the body. In humans, it is the largest organ and sense organ. Skin is a thin layer of
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Biology, SS 1 Topic: Functioning Ecosystem Introduction An ecosystem is a basic functioning unit in nature. It is made up of living organisms (plants and animals) and their non-living environment. The biotic or living components such as the producers and consumers interact in their environment resulting in the ecosystem being a functional unit. Autotrophs, Heterotrophs
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