The development of resources depends technology and the level of their usefulness.like rivers for example. We have used rivers since the beginning of the civilization. But after some time, we learned by building dams
Natural resources can be defined as the resources that exist (on the planet ) independent of human action. These include air, sunlight, water ,soil, stone ,plants, animal and fossil fuels
1.Save the Earth, save our environment. 2. Don’t be cruel, preserve your fuel. 3. Earth is the only habitable planet; save it. 4. Unite to make planet Earth pollution-free