While wind and rain combine to make small changes over thousands of years, Volcanos, Hurricanes and Earthquakes can lay waste a vast region of the planet within a matter of days.
(wind and rain; combine; to make small changes over thousands of years) (Volcanos, Hurricanes and Earthquakes; waste; a vast region of the planet; within a matter of days)
wind and rain Volcanos, Hurricanes and Earthquakes
combine waste
to make small changes over thousands of years
a vast region of the planet within a matter of days