Coal is formed when peat is altered physically and chemically. This process is called coalification.. During coalification, peat undergoes several changes as a result of bacterial decay, compaction, heat, and time.
On January 9, 2011, ABC Family announced the show would return for its fourth season on March 26, 2011. On February 2, 2012, ABC Family renewed the series for a fifth season. On October 9, 2012, it was announced that the fifth season of The Secret Life of the American Teenager would be the final season. The series finale aired on June 3, 2013.
Amy Juergens. Amy Juergens is the main protagonist of The Secret Life of the American Teenager. She is pregnant during the first season of the show and gives birth to her and Ricky Underwood's son, John Juergens, at the end of the season one. She is married to Ricky Underwood (as stated by the creator o all.