Basic General Knowledge
The regional economic commissions of the Economic and Social Council (UNO) are

ECE (Economic Commission of Europe) and ESCAP (Economic and Social Commission for Asia)
ECLA (Economic Commission for Latin America) and ECA (Economic Commission for Africa)
ECWA (Economic Commission for Western Asia) and ECLA
All of these

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Basic General Knowledge
What is the function of a dynamo?

To convert electrical energy into mechanical energy
To convert mechanical energy into electrical energy
To convert light energy into heat energy
To convert heat energy into light energy

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