Question: * The most efficient energy conversion occurs in.46 (1 ) tidal power stations O diesel engines O solar panels hydro electric power stations O

* The most efficient energy conversion occurs in.46 (1 ) tidal power

* The most efficient energy conversion occurs in.46 (1 ) tidal power stations O diesel engines O solar panels hydro electric power stations O gasoline engines O * Octane number of gasoline used in spark ignition engine.47 (1 ) 80-95 O 85-95 O 85-97 O 89-90 O 87-97 O

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