World water Day 2023 History, Significance, Theme
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Water is at the core of sustainable development. It supports all aspects of life on the Earth, and access to safe and clean water is a basic human right. However,…
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World Sleep Day-2023: History, Significance, Theme
World Sleep Day is observed annually on different date in March, and this year date is March 17. Observation indicate that the data range from 10 to 20 March. Even…