Question

Write a short note on ozone hole

Answer 1

Answer:

Excessive thinning of ozone layer when more than half of the ozone of a region get depleted is known as ozone hole.

Ultraviolet radiations may pass through this hole and can cause damage.

Answer 2

Answer:ozone hole - a region of marked thining if the ozone layer in high latitudes, chiefly in winter , attributed to the chemical actions of CFCs and other atmospheric pollutants. The resulting increases in ultraviolet light at the ground levels gives rise to an increased risk of skin cancer. ‍‍

Explanation- ozone depletion consists of two related events observed since the late 1970s : a steady lowering of about four percent in the total amount of ozone in Earth's atmosphere, and a much larger springtime decrease in stratosphere ozone around Earth's polar regions.