Just like the California coast, the coastal region of Alaska’s Aleutian Islands are home to sea urchins and kelp forests. Predict the changes in these populations that marine scientists have documented since the 1990s. What has been causing these changes, and how have they affected the food chains found in this region?

Which plate boundary causes plates to collide forming mountain ranges, volcanoes, and island arcs? give an example of this type of plate boundary. 2. at which plate boundary do rifts and mid-oceans ridges form? give an example of this type of plate boundary. 3. at which plate boundary do plates slide past each other while moving in opposite directions? give an example of this type of boundary.