Question

Define ozone hole 4-5sentenses

Answer 1

90% ozone gas is present in stratosphere. Above ataractic when the density of ozone decrease from 200 dobson we call it ozone hole

Answer 2

ozone layer is depleted by various gases like co2 carbon manoxide etc in places the ozone becomed more depleted and a hole is created which is commonly referred as ozone hole and trough these holes uv radiations pass easyly