Question

Which layer of the atmosphere is called ozonosphere ?​

Answer 1

Answer:

first one

it's o3

I hope this answer may help you

Answer 2

Answer:

stratosphere

stratosphereMost ozone (about 90%) is found in the stratosphere, which begins about 10–16 kilometers (6–10 miles) above Earth's surface and extends up to about 50 kilo- meters (31 miles) altitude. The stratospheric region with the highest ozone concentration is commonly known as the “ozone layer”