✅ Correct Answer: Second
Source: This question is taken from the Pedagogy
✅ Correct Answer: Four
✅ Correct Answer: Preoperational stage
✅ Correct Answer: Brain development
✅ Correct Answer: Concrete operational stage
✅ Correct Answer: Method
✅ Correct Answer: Formal operational stage
✅ Correct Answer: Mental development
✅ Correct Answer: Assimilation and Accommodation
✅ Correct Answer: Second Piagetian stage
✅ Correct Answer: 4