In 1968 the average salary of men teachers in maintained schools in England and Wales was Â£1,646. I estimate that the last two pay settlements have raised this figure to about Â£1,880. The comparable figure at 31st March, 1963, was Â£1,244.
Two main tectonic structures are spreading centers and subduction zones. Spreading centers occur at the boundary between two plates that are moving apart, called divergent plate boundaries. Here the plate motion opens a gap between the plates and magma from the mantle rises up through it.
The pelagic zone is the area of the ocean outside of coastal areas. This is also called the open ocean. The open ocean lies over and beyond the continental shelf. It's where youâll find some of the biggest marine life species. The sea floor (demersal zone) is not included in the pelagic zone. The word pelagic comes from the Greek word pelagos meaning sea or high sea. Different Zones Within the Pelagic Zone