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Earthquake Definition Earthquake is a sudden movement of the Earth’s lithosphere (its crust and upper mantle). Earthquakes are caused by the release of built-up stress…

Kernicterus Definition Kernicterus is also called nuclear jaundice. It is a disorder that is due to severe jaundice in the newborn, with deposition of the…

Paharpur Buddhist  Vihara Paharpur an important archaeological site in Bangladesh, situated in a village named Paharpur (Pahadpur) under the Badalgachhi Upazila of Naogaon district. It…

Hypochlorite Definition Hypochlorite is a salt or ester of hypochlorous acid, containing the group OCl. It is a strong oxidant. It can combine with a…

Ordering Descending Numbers Numbers have an order or arrangement. The number two is between one and three. Three or more numbers can be placed in…

Jaundice Definition Jaundice is a yellowish discoloration of the whites of the eyes, skin, and mucous membranes caused by deposition of bile salts in these…

Ordering Ascending Numbers Numbers have an order or arrangement. The number two is between one and three. Three or more numbers can be placed in…

Eco-Tourism: Eco Tourism offers tourists the opportunity to know the intimate life style of different groups of people and the natural resources of the particular…

Cryolite Definition Cryolite is a white or colourless mineral consisting of a fluoride of sodium and aluminium in monoclinic crystalline form: used in the production…

Comparing Integers If there are two numbers we can compare them.  One number is either greater than, less than or equal to the other number.…

Bilirubin Definition Bilirubin is a reddish-yellow pigment that is a constituent of bile and gives it its color. Bilirubin is a porphyrin derived from the…

Concept of Total Utility Total utility refers to the utility derived out of the consumption of a commodity. The total satisfaction received from the consumption…