CORRECT WAY TO EDUCATION

  FACTS ABOUT EARTH OUR INNER EARTH Our earth is made up of several layers with one inside another It consists of three layers CRUST ·       Outermost layer ·       Thinnest of all the layers ·       It is 35km thick in continents and 5km in ocean flours ·       Main constituent of ocean mass are silica and alumina ·       Constituent of ocean flour is silica and magnesium   MANTLE ·       It is just below crust upto 2900km ·       It is solid but some of its inner side it is in liquid state ·       This part has 67% of the mass of earth   CORE ·       Innermost layer of earth ·       It is mainly made up of nickel and iron ·       It has a very high temperature and pressure ·       It has inner core and outer core

FACTS ABOUT EARTH 1.    Third nearest planet to the sun. 2.    The shape of the earth is “Geoid”. 3.    The earth appears blue because its two-third surface is covered with water. 4.    Earth rotates about its the axis which changes day and night. 5.    Earth completes one revolution around the sun in 365 days. Change of seasons is the effect of the earth revolution. 6.    The atmosphere of the earth which is a blanket of air surrounding the earth has many gases like a)   78% nitrogen b) 21% oxygen c)   And other gases   7.    Earth surface is covered with 70% water and 30% land approximately. 8.    Earth has one natural satellite called moon. 9.    Earth is the only planet that supports life. 10. There are three main components of earth’s environment. a.   Lithosphere (solid part like land) b.   Atmosphere (gaseous banket of earth called air) c.    Hydrosphere (Water on the earth) 11.Biosphere: The part of earth where we find land, water and air to

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