Block · one region of the page, as the scanner read it. It may hold a whole story, part of one, several, or an advertisement; stitching blocks into articles is the next step. Text is supplied OCR.
Page 1 · column 3 of 5 · from the scan, no model involved
Acid Rain Cycle
Water evaporation from lakes and fields combines with auto, factory and power plant emissions, forming smog clouds. Sulfur dioxide and nitrogen oxide dissolve into the clouds, making them acidic.
91.6%