1 Igneous Rocks: form by crystallizing melted material (magma). 2  They can form either on the surface (extrusive igneous rocks), or deep in the crust (intrusive or plutonic igneous rocks). 3  Volcanoes are places where magma erupts as lava or ash.
Swedish furniture manufacturer Ikea founder Ingvar Kamprad and late wife Margaretha at a local shop in Sweden.
He did some market research and found similar products in Japan and China, but none for purchase in countries like Sweden or the United States. So he brought the idea to Ikea. Ikea adapted the concept, and the Krydda/VÃ¤xer line of small-scale hydroponic gardening kits was born.