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.
Leon Trotsky was one of the foremost figures in the Russian Revolution. Trotsky, along with Vladimir Lenin, gave the move for revolution both drive and organisation. Trotskyâs leadership during the Russian Civil Warprobably saved the Bolshevik Revolution of November 1917. Leon Trotsky was born in 1879 at Ianovka in the Ukraine. His parents were Jews and his original surname was Bronstein. Trotsky was a highly intelligent pupil at school though his intellectual arrogance meant that he had few good friends.