Which of the following are the core principles of Participatory Learning and Action (PLA)? A. Cross-checking B. Offsetting biases C. Following prejudices D. Optimal Ignorance E. Seeking Diversity Choose the correct answer from the options given below:

Arrange the following steps of Sandhu's Model of Extension Programme Planning in the correct sequence: A. Planning Process B. Execution and evaluation of work C. Preparation of a written statement of situation, objectives, problems, and solutions D. Organization for Planning E. Preparation of a plan of work containing information about goals, places, teaching procedures, etc. Choose the correct answer from the options given below:

In which country was the term 'Extension' (as in Extension Education) first used?