Ryder has been visiting his favorite park for ten years. Recently, he noticed that the large boulder in the center of the park has gotten smaller and smoother in some places. Why has the boulder changed?

The environment changed

El nino is a weather phenomenon caused when warm water from the western pacific ocean flows eastward. part1baan average of 7.7 hurricanes and 3.6 major hurricanes compares to 5 hurricanes and 1.5 major hurricanes from 1995-2005

Answer volcanic eruptionsseismic waves from earthquakes;