Tag: 9th Biology

  • Science IX | Natural Resources: Our Environment | Part 2

    Natural Resources: Our Environment | Part 2 Rain As the air rises, it expands and cools. This cooling causes the water vapour in the air to condense in the form of tiny droplets. Such process of condensation of water is facilitated when dust and other suspended particles act as the ‘nucleus’ for these droplets to…

  • Science IX | Natural Resources: Our Environment | Part 1

    Natural Resources Introduction Planet earth differ from other planet because of existence of life here. Life is possible only on earth due to its specific environment. The conditions surrounding an organism form its environment. Thus each and everything which surrounds and affected the living organisms constitute its environment. It includes two essential components. Components and…