1) The _____________ is the outermost layer of Earth a) Crust b) Mantle 2) Lithosphere originates from a) Greek word b) Latin word 3) Crust is divided into 2 different types a) True b) False 4) The average temperature of Crust is a) 22 degree Celcius b) 23 degree Celcius 5) Earth's mantle is 2900km thick a) True b) False 6) Stratosphere is derived from a a) Latin word b) Greek word 7) Wind is the a) horizontal movement of air b) vertical movement of air 8) Air pressure is measured by  a) Barometer b) Odometer 9) Cloud Covers are measured in a) Oktas b) Thermometer 10) Celcius is the SI unit of temperature a) False b) True

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