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The water flows out through the hose in downward direction may go up with external force it is a great qn if any give given externally allows water molecules to resend to the reverse direction

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Worker bee

 The bee stings human beings if it is getting disturbed. The honey which is famous in tamilnadu is marthandam.it has special remarkable taste. The worker bee works all the way in collecting nectar as well as honey like carrying bundles of sticks like a coolie but other bees never help worker bee but all bees are same species why the stinging cell more aggressive in worker bee never it has it is god make 
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