Why ozone layer called ozone umbrella/shield ?

(I) The ozone layer is also called as ozone hole. (II) Ozone is a colourful gas. (III) The upper layer of ozone is called as bad ozone. (IV) The ozone layer of stratosphere is called as good ozone.

Which ozone is called a bad ozone?

Why is ozone layer important ?

"Ozone layer acts as an umbrella to the biosphere". Justify the Statement.

"Ozone layer acts as an umbrella to the biosphere". Suggest the ways to reduce the ozone layer depletion.

"Ozone layer acts as an umbrella to the Biosphere". a. Justify the statement. b. Suggest the ways to reduce the ozone layer depletion.

(a) Why is the ozone layer required in the stratosphere ? How does it get degraded ? Explain. (b) Why is the ozone depletion a threat to mankind?

Explain the reason for depicting the ozone layer or decrease of ozone layer.

How is ozone formed in the upper atmosphere? Why is damage to the ozone layer a cause of concern to us. What causes this damage?