Seawalls are hard engineered structures with a primary function to prevent further erosion of the shoreline. They are built parallel to the shore and aim to hold or prevent sliding of the soil, while providing protection from wave action (UNFCCC, 1999).
Making the world better, one answer at a time. Vygotsky is best known for is theory of language acquisition, particularly the idea of scaffolding and the zone of proximal development.
Vygotsky and Piaget have similarities between their two theories of cognitive development. There are also several differences. Let's see how these two psychologists differed and agreed on the cognitive development of children and adolescents.