Which key technical innovation of the Great Leap Forward proved enormously ineffective?
steel plow
chemical plants
backyard furnace
educational system

Respuesta :

Which key technical innovation of the Great Leap Forward proved enormously ineffective? 

A )steel plowB )chemical plantsC )backyard furnaceD )educational system
its backyard furnace

Answer:

It is B) backyard furnace

Explanation:

I got it right on usa test prep