1. What are the contributing factors of world population growth? 2. Sketch a brief history of population growth in developing countries and developed countries of the world. 3. ‘Population explosion...

1. What are the contributing factors of world population growth? 2. Sketch a brief history of population growth in developing countries and developed countries of the world. 3. ‘Population explosion threatens the global environmental balance.’ Justify the statement. 4. ‘Human health and diseases are generally caused by the environment.’ Justify the statement with suitable examples.