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.
a well known practical implication of vygotsky s theory the metaphor of scaffolding which is 162 used to capture the nature of support and guidance in learning can assist teachers understanding and developing of such techniques