Fern fronds are the leaves of ferns. They are a major organ of a fern and range significantly between species. Some species of tree ferns have fronds that grow as large as 5 m long while other species are limited to growing frond only 1 cm in length.
Cerium is a soft, ductile, silvery-white metallic chemical element with symbol Ce and atomic number 58. Cerium tarnishes when exposed to air, and it is soft enough to be cut with a knife. Cerium is the second element in the lanthanide series, and while it often shows the +3 state characteristic of the series, it also exceptionally has a stable +4 state that does not oxidise water.
Sign Symbol Dates; Aries: Ram: March 21 - April 19: Taurus: Bull: April 20 - May 20: Gemini: Twins: May 21 - June 20: Cancer: Crab: June 21 - July 22: Leo: Lion: July 23 - August 22: Virgo: Virgin: August 23 - September 22: Libra: Balance: September 23 - October 22: Scorpio: Scorpion