What is collaborative learning and how does it differ from operant learning and from observational learning?

what are the choices? the multiple choices?

i will answer in the comments after the choices have been said.

answer; i believe the correct answer is customer,manufacturer, service provider,general public ; quality is primarily the responsibility of all all employees in the organization.

the correct answer on edgen is:

(c.) prevent the spread of communism.

i just took the test.

mali had been a state inside of the ghanaian empire. after ghana fell because of invading forces and internal disputes, mali rose to greatness under the leadership of a legendary king named sundiata, the "lion king." the songhai empire, already weakened by internal political struggles, went into decline.