Wiki Education Foundation-supported course assignment edit

  This article was the subject of a Wiki Education Foundation-supported course assignment, between 27 August 2018 and 8 December 2018. Further details are available on the course page. Student editor(s): Olivia.Will.

Above undated message substituted from Template:Dashboard.wikiedu.org assignment by PrimeBOT (talk) 02:20, 18 January 2022 (UTC)Reply

Untitled edit

I am going to expand on the UV section, This section currently has one sentence so I will be adding additional information on UV-B radiation--Olivia.Will (talk) 04:35, 7 December 2018 (UTC)Reply

Wiki Education Foundation-supported course assignment edit

  This article is or was the subject of a Wiki Education Foundation-supported course assignment. Further details are available on the course page. Student editor(s): Npreid31.

Above undated message substituted from Template:Dashboard.wikiedu.org assignment by PrimeBOT (talk) 06:35, 17 January 2022 (UTC)Reply

Copy Paste edit

Entire article copied unedited from [1]. I attempted to split into sections but the article needs serious attention and re-writing from an expert Jebus989 (talk) 10:19, 29 June 2009 (UTC)Reply

head line edit

wat is this — Preceding unsigned comment added by 61.245.165.6 (talk) 04:17, 28 August 2011 (UTC)Reply