What do you mean by ozone hole ? What are its consequences?

(1) Ozone hole : In 1980’s atmospheric scientist working in Antarctica reported the depletion of ozone layer commonly known as ozone hole over the South pole.
(2) Consequences:
(a) Due to depletion of ozone more UV radiations
can pass through the hole leading to skin cancer, cataract, sunburn, damage to fish productivity
(b) Plant proteins get affected easily by UV radiaj ions leading to harmful mutations of cells.
© It also increases the evaporation of surface water
through the stomata of the leaves and decreases the moisture content of the soil.
(d) Increased UV radiations damages paints and fibres causing them to fade faster.