VÄÄVEL
pdf
http://www.e-ope.ee/_download/euni_repository/file/3086/Teem
a%202%20%20V%C3%A4%C3%A4vel%20ja%20%20v%C3%A4%C3%A4
df
http://www.miksike.ee/docs/lisa/8klass/4teema/loodus/vaavel1.htm
Tiitellehe pilt:
http://tsfitnessnyc.files.wordpress.com/2010/07/large_sulfur_crystalheader.j
pg
Pilt 1:
http://translate.google.ee/translate?hl=et-EE&langpair=en|et&u=http://www
.webelements.com/sulfur/history.html
Pilt 2:
http://www.wonderwhizkids.com/resources/content/imagesv4/chemistry/Ino
rganic+chemistry/9_4.jpg
Pilt 3: http://et.wikipedia.org/wiki/Pilt:Sulpherous_Fumeroles.jpg
Pilt 4: http://www.chemicool.com/elements/sulfur.html
Pilt 5:
http://zhongaomade.en.made-in-china.com/product/JocmYPDjHbkV/China-S
ulfur-Powder-and-Block.html
TÄNAN KUULAMAST JA
VAATAMAST!
http://mitchellk.photoshelter.com/image/I0000fZqfRVGp228
annaabi.ee 
