File:O-hole2.jpg: Revision history

Jump to navigation Jump to search

Diff selection: Mark the radio buttons of the revisions to compare and hit enter or the button at the bottom.
Legend: (cur) = difference with latest revision, (prev) = difference with preceding revision, m = minor edit.

11 March 2020

  • curprev 10:3910:39, 11 March 2020‎ Thesoftprotestdigest talk contribs‎ 292 bytes +292‎ Ozone depletion consists of two related events observed since the late 1970s: a steady lowering of about four percent in the total amount of ozone in Earth's atmosphere (the ozone layer), and a much larger springtime decrease in stratospheric ozone aro...
Retrieved from "http://www.thesoftprotestdigest.org/index.php?title=File:O-hole2.jpg"