Labels:text | screenshot | font OCR: d'Arezzo. Leonardo also theorizes that heat generated from the center of the earth would affect the levels of the oceans. He imagines a glass model of the earth as a still A to explain how the condensation of water is a "downward process." B Next Leonardo poses a riddle in his description of distillation. The diagrams of inverted glass flasks C and the accompanying text D describe what happens when a burning coal is placed inside a vessel inverted over water. In the ancient version of this experiment, described