Epoxy resin may be reacted with itself in the presence of an anionic catalyst (a Lewis base such as tertiary amines or imidazoles) or a cationic catalyst (a Lewis acid such as a boron trifluoride complex) to form a cured network. This process is known as catalytic homopolymerisation.
A gorilla's lifespan is normally between 35 and 40 years, although zoo gorillas may live for 50 years or more. Colo, a female western gorilla at the Columbus Zoo and Aquarium was the oldest known gorilla, at 60 years of age when she died on January 17, 2017.
Zoo lions can live about 25 years, while lions in the wild live about 15 years. Lions live for approximately 10-14 years in the wild, while in captivity they can live to 25 years. 15-30 years but its rare for 30. Male lions only live about 10 years in the wild. Females live a little longer. In zoos where they are cared for and cannot fight, lions may live as long as 25 years.