Answer:
The Amazon is the world's longest river.
An El Niño<span> event changes the wind and water currents over the Pacific Ocean. The trade winds usually blow from east to west around the equator. ... The warm, western water makes for humid air and thus rainfall at that end of the ocean. During an </span>El Niño<span> event, this pattern breaks down.</span>
Seafloor spreading<span> is a process that occurs at mid-ocean ridges, where new oceanic crust is formed through volcanic activity and then gradually moves away from the ridge. </span>Seafloor spreading<span> helps explain continental drift in the theory of plate tectonics. </span>