Notes of Chapter- Life Processes ( Nutrition) KEY CONCEPTS & GIST v Life processes – The processes that are necessary for an organism to stay alive. Eg. Nutrition, respiration,circulation, excretion etc. v Criteria of life - (i) Movement ii) Growth iii) Life Processes. v Nutrition - The process in which an organism takes in food, utilizes it to get energy and nutrients for growth, repair and maintenance, etc. v Types of nutrition 1. ...
The ozone hole results from ozone-depleting chemicals (e.g. chlorofluorocarbons (CFCs)). When CFCs are hit by ultraviolet light, they release chlorine. Chlorine reacts with ozone, destroying it to produce chlorine monoxide and diatomic oxygen.
ReplyDeleteThese reactions are most effective when they occur on the surface of ice crystals, in the stratosphere. There are more ice crystals when it is most cold.
Antarctica is colder than the Arctic circle because the ratio of land to water is higher.
Therefore ozone depletion over the South Pole is greater than ozone depletion over the North Pole.
Good .. You have added to the information given in the link..
Delete