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The Brainliest Answer!
2016-03-07T18:38:57+05:30
1) Energy. 2) It flows unidirectionaly. 3) Producers. i.e. the green plants (autotrophs)
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2016-03-07T20:28:20+05:30
Energy flow is always unidirectional starting from producers.According to 10% law producers have maximum amount of energy.
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