In another experiment, Ford guided students through the process of making tufa, using a glass of fresh water, a beaker of Lake water, and some tablets of calcium carbonate.
(Ford; guided; students; through the process of making tufa, using a glass of fresh water, a beaker of Lake water, and some tablets of calcium carbonate; L:In another experiment)
Ford
guided
students through the process of making tufa, using a glass of fresh water, a beaker of Lake water, and some tablets of calcium carbonate L:In another experiment