So how are these perfect icebergs formed? All icebergs form when a piece ... They get beaten up by winds and waves and they lose bits here and they shed a bit of, shed a piece there.

CHILD READING POEM: To the sea we go today Upon the waves Where dolphins play And great ... This film is relevant for teaching Geography within the National Curriculum in England and Northern ...

For example, if these mantle waves strip some 30 to 40 kilometres of rocks from the roots of continents, as we propose they should, it will have a cascade of major impacts at the surface.