SS1 Commerce – Customs and Excise Authority

In this class, we will discuss customs and excise authority.  Customs and Excise Authority   CONTENT Functions of the Nigerian Customs and Excise Authority Methods of calculating customs duties Customs

SS1 Chemistry – Atomic Number, Mass Number, Isotopes, and Calculations

CONTENT   ATOMIC NUMBER AND MASS NUMBER ISOTOPES CALCULATIONS OF RELATIVE ATOMIC MASS   CONSTITUENTS OF AN ATOM Atoms are made up of sub-particles. Protons, electrons, and neutrons. Proton has

SS2 ComputerS – File Security