SS1 Commerce – Division of Labour, Specialization, and Exchange

In this class, we will discuss division of labour, specialization, and exchange.  Division of Labour, Specialization and Exchange   CONTENT Definition of terms Advantages and disadvantages of Division of Labour/Specialization

SS2 Chemistry – Nitrogen and Its Compounds

NITROGEN AND ITS COMPOUNDS Nitrogen forms about 78% by volume of the atmosphere. It can be found in combined form in trioxonitrate (V) of sodium and calcium. It can also

SS1 Biology – Introduction to Biology

Science is defined as a systematic process of enquiring about the living and non-living things in our environment. The term “biology” is coined from two Greek words: “bios,” meaning life, and