Final answer:
El Niño is a weather phenomenon characterized by warm water currents in the Pacific Ocean. It affects global weather patterns and can lead to droughts and heavy rainfall.
Step-by-step explanation:
El Niño is a weather phenomenon characterized by the presence of unusually warm water currents in the Pacific Ocean. It occurs every few years and can have significant impacts on global weather patterns. The warm waters of El Niño can cause changes in atmospheric pressure, resulting in altered wind patterns and rainfall distribution around the world. For example, El Niño events can lead to drought conditions in some regions while causing heavy rainfall and flooding in others.
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