11. These are materials or substances such as minerals, forest, water and fertile land that occur in nature and can be used for economic gain. B. Non-renewable resources C. Renewable resources A. Natural resources D. Minerals 12. In which way can we protect our environment? A. recycling B. Polluting C. contaminating D. Littering 13. Which of these is the primary cause of land pollution? A. Improper garbage disposal B. Recycling materials C. Planting of trees D. Waste segregation 14. Your community is rich in metallic materials. Which of the following should the community undertake in order to conserve such precious mineral deposits? A. Formulate laws and ordinances to regulate the mining of minerals. B. Use dynamites to clear out the area and reveal the mineral deposits. C. Use all of them to earn money. D. Put up tunnels to harvest all metallic minerals. 15. We depend on energy for many of our daily activities. Which of the following statements show conservatio of energy? 1. Switch off the lights when not in use. II. Recycle materials like paper and glass container. TH. Turn off electrical appliances when they are not in use. AI and II and III B. I, and Ill only C. I only D. lllonly​