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.
Biography Theory Time Line Bibliography. Lev Semyonovich Vygotsky was born in Western Russia(Belorussia) in 1896. He graduated with law degree at Moscow University. After graduation, he started teaching at various institutions. Vygotsky's first big research project was in 1925 with his Psychology of Art. A few years later, he pursued a career as a psychologist working with Alexander Luria and Alexei Leontiev.