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SS1 Chemistry – Cracking and Reforming

CONTENTS (iii) Cracking of petroleum (thermal and catalytic) (iv) Antiknock and Octane rating   CRACKING: Cracking is the process use in breaking down large hydrocarbon molecules into two or more

SS1 Biology – Basic Ecological Concept

CONTENT   Meaning of Ecology Components of Ecology Biomes and Local Biomes in Nigeria   Ecology is the study of living organisms to their environment. The study examines the relationships

SS1 Biology – Microorganisms Around Us

In today’s class, we will discuss microorganisms around us. Micro-Organisms Around Us Micro-organisms, Fungi, Bacteria, Viruses, Protists   Microorganisms are tiny organisms that cannot be seen with the naked eye