SS1 Geography – Meaning, Nature, Scope and Value of Geography.

INTRODUCTION TO GEOGRAPHY:  MEANING, SCOPE, AND VALUE MEANING OF GEOGRAPHY The word Geography is derived from the Greek word ‘Geo’, meaning the earth, and ‘graph’, which means description. Geography can

SS2 Chemistry – Oxygen and Its Compounds

TOPIC: OXYGEN Oxygen is the most abundant element on Earth. It belongs to Group VI of the Periodic Table. The Other elements in the Group are sulphur, selenium, tellurium, and

SS1 Biology – Sexually Transmitted Infections STIs

In this class, we will discuss sexually transmitted infections (STIs). Sexually Transmitted Infections (STIs) Sexually transmitted diseases (STDs) — or sexually transmitted infections (STIs) — are generally acquired by sexual