Nov 10, 2016 · The bonds are strong enough to hold DNA together, but are also weak enough to form and break readily to enable DNA to untwine for replication (“Intermolecular Forces”, 2001). Life on Earth exists at least partly because of the hydrogen bond.

Changelog for QGIS 3.20¶. QGIS 3.20 Odense features a splash screen which displays a section of the earliest map of Denmark’s third largest city, Odense from 1593. The map was published by Georg Braun (1541-1622) in the work Civitates orbis terrarum (Cities of the World). Georg Braun’s maps are all beautiful and were, for the period, produced at a high cartographic level.