Takes the same shape of the plant or animal. The space is sometimes filled with mud. The mud hardens and turns into rock. Cast are often made from a mold. The inside of the sedimentary rock isn't hollow.
American Bandstand, 1957. Dick Clark became host of the locally-produced Bandstand in 1956, just before the show was renamed American Bandstand, shortened to ninety minutes, and expanded to a national ABC audience on August 5, 1957.
His iconic show, American Bandstand, began broadcasting nationally on this day in 1957, beaming images of clean-cut, average teenagers dancing to the not-so-clean-cut Jerry Lee Lewisâ âWhole Lotta Shakinâ Goinâ Onâ to 67 ABC affiliates across the nation.