Red Sea Reef, since a reef is a productive and diverse organism with different species of coral.
crust and mantle.....................................
Your answer would be Tectonic.
Tectonic plates move in various directions, and move slowly. Due to the movement of tectonic plates the earth cracks, and shakes which is called an earch quake. Tectonic plates move constently everyday, and you can't feel it because it's slow. Wehn tectonic plates move quickly, the earth starts to shake. The most common places that have tectonic plates have a higher chance of having an earthquake, even a tusnami.
C. Australia is moving at about ~7 centimeters a year, which is about 67 millimeters.
