Primary succesion example

Primary succession occurs when new land is formed or bare rock is exposed, providing a habitat that can be colonized for the first time. For example, primary succession may take place following the eruption of volcanoes, such as those on the Big Island of Hawaii. As lava flows into the ocean, new rock is formed.

littering streams           is the answer

2%? i tried finding the exact sorry if it's not 100% correct ; -;