Ozone Day speech

Ozone is a Poisonous Gas which is good as well as bad .

1. Sangola College Sangola Humboldt's Day & Ozone Day Dr.Amol Baban Ubale Assistant Professor , PVDT College of Education For Women,Mumbai SNDT Women's University ,Mumbai

2. Alexander von Humboldt A Geographer Naturalist Explorer Biogeography Cosmos (1845–1862 ) Humboldt Current Magnetic storm Humboldtian science Berlin Romanticism

3. Solar System & Earth

4. Earth Surrounding Protection

5. What is ozone ? ओझोन म्हणजे काय ? Poisonous Gas A molecule containing three atoms of oxygen is called ozone . O 3 = oxygen 3 Atom ozone plays a vital role in the atmosphere. It shields the entire Earth from much of the harmful UV radiation that comes from the sun

6. Where Ozone is Found in Atmosphere ? Most ozone (about 90%) resides in a layer that begins between 6 and 10 miles (10 and 17 kilometers) above the Earth's surface and extends up to about 30 miles (50 kilometers). The ozone layer was discovered in 1913 by the French physicists Charles Fabry and Henri Buisson.

7. How Works Ozone ?

8. UV- radiation • Ultraviolet (UV) light is an electro magnetic radiation with a wavelength from 400 nm to 100 nm. • UV are of 3 types UVA,UVB,UVC. • UVA is not harmful as UVB (315-400nm),UVB decreases atmospheric ozone cause biological damages(280-315nm),UVC get absorbed by ozone(200-280nm)

9. Ozone Depletion ओझोन अवक्षय  Skin Cancer 1969- Polish Chemist Poll Curzon 1974 – University of California 1.Mario Mallino 2.Redfort Roland 1994,UN Declared 16 Sep 1887 Montreal Protocol,Canada CFL

10. Contents of Ozone Depletion Substances Chlorofluorocarbons (CFCs ) HCFCs Halons

11. Why Ozone hole is on Antarctica ? Polar Vortex ध्रुवीय भोवरा South Pole October-December -80 C Polar Stratospheric Cloud

12. Some Questions Arises ? काही प्रश्न उद्भवतात?

13. Is ozone bad or Good ?

14. Is Ozone Depiction affects on Human or Animals ?

15. Is HFC (Hydro Flouro Carbon) creates Calamities ?

16. Is morning Pranayam useful for intake good ozone?

17. Is Corona Good affects on Ozone Depletion?

18. Is ozone affects on seasons?

19. Theme of 2020 'Ozone for Life: 35 years of ozone layer protection'

20. Any Questions