The workers are specialized if they perform only smaller tasks and if they become better and better at these tasks - "specialists". This means that the whole process is divided into smaller takss that the workers can specialize in.
Therefore the correct answer is
D. dividing labor into smaller specific tasks
Informal education refers to a system of education that is not state operated and sponsored. It doesn't lead to any certification and is not structured or classroom based. Informal education is, therefore, a system or process that imparts skills or knowledge that is not formal or recognized by the state.
Hope this answers your question XD <span />
