Video Description Coastlines offer a rich source of nourishment to the plants and animals that live on them or migrate to them each year. Along 120,000 miles of Asia’s shoreline, land and sea churn and blend in a process that has created some of the world’s greatest natural treasures, from coral reef ecosystems to vast mangrove forests. The Comprehension Questions are available to download as an RTF file. You can save the file to your desktop and open it in a word processing program.