The website has the complete lesson note for all the subjects in secondary school but this piece showcases the JSS1 Basic Science Lesson Note on Refuse and Sewage. You can use the website search button to filter out the subject of interest to you.
CLICK HERE to download the complete Document: DOWNLOAD HERE
TOPIC: FAMILY HEALTH 2
SUB-TOPIC: REFUSE AND SEWAGE
CONTENTS: Meaning of Refuse and Sewage
Refuse is solid waste whether dry or wet which could cause land pollution e.g. nylon, paper, plastic, broken bottles, scraps, etc. Refuse wastes materials could be divided into 2 namely: biodegradable and non-biodegradable.
Biodegradable are materials that can decompose or decay e.g. banana peels, dead leaves, dead animals etc.
Non-biodegradable are materials that cannot be decomposed or decayed e.g. metals, plastics, broken bottles etc.
Sewage is liquid wastes from the environment e.g. faeces, urine, wasted water from kitchens, bathrooms etc.
Methods of disposal:
Refuse disposal methods
Sewage disposal methods
Cleaning tools and agents
Click on the Downloadable Button to get the FULL NOTE
Do you want to study Agricultural Extension in OOU? Before you apply for the OOU…
Do you want to study Agricultural Economics in OOU? Before you apply for the OOU…
Do you want to study Cooperative and Business Management in OOU? Before you apply for…
Do you want to study Home and Hotel Management in OOU? Before you apply for…
Do you want to study Animal Production in OOU? Before you apply for the OOU…
Do you want to study Crop Production in OOU? Before you apply for the OOU…