Environmental Science 15th Edition by Scott Spoolman,Tyler Miller

تمرين 9

For each of the following actions, state one or more of the three scientific principles of sustainability that are involved: (a) recycling aluminum cans; (b) using a rake instead of a leaf blower; (c) walking or bicycling to class instead of driving; (d) taking your own reusable bags to a store to carry your purchases home; and (e) volunteering to help restore a prairie.