The Different Types of Prepositions in the Text

Halle Maumau Crater in Hawaii's Volcanoes National Park is different from many other craters in the area. What sets it apart is that it once contained an active lava lake. In May 2018, the ground around the crater collapsed and it became almost double its original size. By adding the letters R-E to the beginning of a verb, it means again. So we can say redo, reuse, reopen. At the end of this episode, we'll re-listen to our text.