These then react with the ozone molecules, resulting in their removal. CFCs have a lifetime in the atmosphere of about 20 to 100 years, and consequently one free chlorine atom from a CFC molecule can do a lot of damage, destroying ozone molecules for a long time.
exists and is an alternate of . In the northern hemisphere of Earth, Fall begins on the Autumnal equinox (22-23 September) (in Persian calender it will begin at the first day of Mehr) and ends on the Winter solstice (21-22 December). In the southern hemisphere of Earth, Fall begins on the Autumnal equinox (20-21 March) and ends on the Winter solstice (20-21 June).
In 2015, fall begins on September 23rd (at 08:20 UTC) for countries in the Northern Hemisphere (United States, Canada).Fall-Autumn Activities and Games. In 2015, fall begins on March 20th (22:45 UTC) for countries in the Southern Hemisphere (parts of South America, parts of Africa, Australia, and Antarctica).ote: You will only see this box once. We would like to invite you to sign up for the completely free Apples4theteacher.com Newsletter! Join our other 480,975 readers. Subscribers are automatically registered to receive free teaching resources including lesson plan ideas, printables and more.