Classwork Series and Exercises { Basic Science – JSS1}: Environmental Conservation and Safety

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 [...]