It takes 248 yrs for Pluto to orbit the Sun.
DNA fingerprinting is used to identify the parents, thieves and rapists.
The Primary Colours are Blue, Red and Green. By mixing all these three primary colours we get White colour.
The Secondary Colours are - Yellow, Magenta and Cyan.
The ozone layer is a region of Earth's Stratosphere that absorbs most of the Sun's ultraviolet (UV) radiation. It contains high concentrations of ozone (O3) in relation to other parts of the atmosphere, although still small in relation to other gases in the stratosphere.
The Atmosphere is divided into 4 layers according to major changes in temperature. They are :
1. Troposphere,
2. Stratosphere,
3. Mesosphere and
4. Thermosphere.
The farther away from earth, the thinner the atmosphere gets.
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