Directions: Circle the choice that would be the best way to conserve natural resources. 1. eating during recess a. disposable spoon and fork b. metal spoon and fork 2. Room temperature: a. air conditioner b. opened windows 3. Purifying the air: a. electronic air purifier b. green houseplants 4. Notes to parents a. paper notes b. e-mails 5. Disposal for used paper. a. recycle bin b. trash can 6. Light source: a. fluorescent lights b. sunlight through windows 7. Folders and notebooks: a. from recycled paper b. from non-recycled paper 8. Pencil sharpener: a. hand-crank b. electronic 9. Stapler: b. electronic 10. Polishing a floor a. coconut husk b. floor polisher