Magma rises through the cracked, thinned crust,forming volcanoes. As the rift valley grows wider, the continent begins to split apart.If the rift valley continues to widen, the thinned valley floor sinkslower and lower until it is below sea level.he records are the same on either side of the ridge.As scientists continued to map the ocean floor, they found morerecords of these reversals. By dating the rock, scientists had furtherevidence of plate movement. The youngest rock records the mostrecent reversal, which happened only about 760,000 years ago.
David Lennox (April 15, 1855 â February 15, 1947) was an American inventor and businessman. A furnace manufacturing business he founded in 1895 in Marshalltown, Iowa evolved into what is today known as Lennox International, a global corporation specializing in air conditioning, heating, and commercial refrigeration.
HGTV Star Joanna Gaines Talks Design. Joanna and Chip Gaines have made their Texas-based family business renovating and redecorating homes must-see television for fans of their HGTV series âFixer Upper.â. But you donât have to settle for watching them on the small screen.