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The most common symptoms of dengue fever are fever, severe headache, pain behind the eyes, muscle and joint pain, and rash.

Kabaddi is an ancient and popular sport. It includes two teams of 7 players each that take turns raiding and defending against each other.

There are actually two main types of nuclear bombs: fission bombs and fusion bombs. Fission bombs work by harnessing the energy that is released when an atom is split into two, whereas a fusion bomb works...

Electricity is an energy force that is created between two electrons. It is then harnessed and used for other purposes such as powering devices. 

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