In which layer would you find the ozone layer? a. mesosphere b. troposphere c. thermosphere d. stratosphere

Stratosphere, mesosphere is not a layer

D. Stratosphere
This is the layer that has the ozone layer. Hope this helps

It is useful for historians to write narratives so that history can be passed on from their point of view.  think about a story being told in third person, then think about it again being told in first person, by someone who actually experienced the event.