Lesson-1.Geography. Resources : Utilisation and Development. Keywords Depletion : when quantity or number of something continuously reduces. Deterioration : process of gradually becoming worse. Irrigation : watering the land or crops through canals, tubewells, drip or sprinkle method, etc. Navigation : movement of ships, boats, etc., from place to place through waterways. Skill : ability to perform certain task with efficiency. Static : lacking in movement or not changing. Insides questions/answers What are the resources? Ans: All the things on earth which are necessary for our existence on this planet, are known as Resources. Where do the pygmies live? What are things that pygmies eat? Ans: Pygmies are live in Africa. Pygmies of eat edible plants, roots, flowers, fruits and hunt animals. Name the two countries which generate wind energy more than India? Ans: China and United States of America (USA) are the two countries which generate more energy than...