<span>Methods and approaches to teaching have been greatly influenced by the research of Jean Piaget and Lev Vygotsky. Both have contributed to the field of education by offering explanations for children's cognitive learning styles and abilities. While Piaget and Vygotsky may differ on how they view cognitive development in children, both offer educators good suggestions on how teach certain material in a developmentally appropriate manner.</span>
Its C. its borrowing without giving the original author, credit hope it helps :)
I cannot see the question for 3 or 5, but number 4 is climax
4. climax / It has to be Climax. The turning point or the greatest moment of emotional intensity.
