Biology
Osmosis is the flow of solution from higher concentration to a solution of lower concentration through a semi permeable membrane. What is incorrect in this statement?

Character of semi permeable membrane is not given
Exact concentration of solution is not given
All are incorrect
The flow of solution is not possible through semi permeable membrane

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Biology
Which statement describes decomposers?

Decomposers can produce their own source of energy and can sometimes act as primary producers
Decomposers are those organisms that recycle matter in the ecosystem
Decomposers are insignificant organisms in the ecosystem and can be absent in some ecosystems
All listed here

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