Question

ozone layer which observe harmful solar uv radiation is found in which layer of the atmosphere.

Answer 1

ozone layer is found in stratosphere

Answer 2

Hey

Here is your answer,

Ozone layer is located in stratosphere. It is approximately 20 to30 kilometres (12 to 19 mi) above Earth, though the thickness varies seasonally and geographically.

Therefore your answer is stratosphere

Hope it helps you!