Top 5 natural phenomenon
5.Penitentes They are a snow formation found at high altitudes.They take the form of tall thin blades of hardened snow and can be as tall as a person. 4. Red tides Red tide is a common name for algal bloom.It is an event in which marine or fresh water algae ( eg : Gonyaulax - genus of Dinoflagellates) accumulate rapidly in the water and causes in discoloration of the surface water due to the presence of photosynthetic pigments in them. 3.Light pillar Light pillars are a kind of optical phenomenon. They are formed by the reflection of sunlight by ice crystals that are present in the Earth's atmosphere.The light pillar is prominently visible when the Sun is low or lies below the horizon. Light pillars can sometimes also be seen arising from the Moon. 2.Waterspout waterspout is a small-diameter column of rapidly swirling air in contact with a water surface.Though they occur majority in the tropics, they
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