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Art & Culture

Why do we have seven days in a week ?

A calendar is a mechanism for keeping track of days. This is accomplished by naming time intervals, which are commonly days, weeks, months, and years. Within such a system, a date is the designation of a single, unique day. A calendar is a physical record of such a system (typically made of paper). A calendar […]
Food And Nutrition

Which food item was used as “Currency” ?

Food is any substance that is consumed in order to provide nutritional support to an organism. Food is typically derived from plants, animals, or fungi and contains essential nutrients such as carbohydrates, fats, proteins, vitamins, and minerals. The substance is consumed by an organism and assimilated by the organism’s cells in order to provide energy, […]
Energy and Earth Science Uncategorized

The deadliest hurricane !!

A cyclone is a large scale air mass that rotates counter-clockwise in the Northern Hemisphere and clockwise in the Southern Hemisphere when viewed from above (opposite to an anticyclone). Cyclones are defined by inward spiralling winds that rotate around a low pressure zone. Polar vortices and extratropical cyclones of the largest scale are the largest […]

Which is Solar System’s Tallest Volcano ?

A volcano is a break in a planetary-mass object’s crust that allows hot lava, volcanic ash, and gases to emerge from a magma chamber under the surface, such as Earth. For example, divergent tectonic plates cause volcanoes along a mid-oceanic ridge like the Mid-Atlantic Ridge, while convergent tectonic plates cause volcanoes along the Pacific Ring […]