Standard 3.RN.3.1 Apply knowledge of text features to locate information and gain meaning from a text (e.g., maps, illustrations, charts, font/format). Standard: 3.RN.2.2 Determine the main idea of a text; recount the key details and explain how they support the main idea. 1. Go to getepic.com and find the books Sinkholes: Natural Phenomena. 2. After reading the text, use the tool to write your answers. 3. Answer questions on all pages. 4. Submit to your teacher when complete.