Question

environmentalist generally talk about the Ozone hole over Antarctica is it really have hole what does Ozone hole mean​

Answer 1

Ozone is a gas which envelopes the Earth.Ozone hole means that there is no ozone gas covering the area.Ozone is O3 (3 is down)

Answer 2

Hey buddy here is ur answer !!

1. Ozone layer is made up of O3 and when this layer get smaller or get thinner that is called as ozen hole .
2. Ozone depletion describes 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 spring time decrease in stratospheric ozone around Earth's polar regions.
3. The latter phenomenon is referred to as the ozone hole. 

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