10. All of the following are considered as land resources, EXCEPT A. corals B. crops C. metals D. trees 11. Which of the following is TRUE about natural resources? A. Natural resources are created by humans. B. Natural resources are used by humans only. C. Natural resources are produced through scientific experiments. D. Natural resources exist in nature and sustain the needs of all living things. 12. Philippines is listed as the fifth mineral-rich country in the world, third in gold reserves, fourth in copper and fifth in nickel. Why do you think our country is rich in mineral resources? A. We have advanced equipment used in mining these minerals. B. We have extensive mining activities all throughout the country. C. We are situated in the Pacific Ring of Fire where many active volcanoes are present. D. We have a tropical climate characterized by abundant rainfall, high temperature and high humidity. 13. Soil is formed from rocks as well as materials coming from dead plants and anima Temperature, rainfall, chemical changes and biological actions also influence formation of soil, therefore it takes thousands of years for soil to form. Which of statements below CORRECTLY describes soil? A. Soil is important for plants. B. Soil is a renewable resource. C. Soil can be replenished easily. D. Soil is a nonrenewable resource.​