Question : The term "ozone hole" refers to:

Option 1: A region with high ozone concentrations in the atmosphere

Option 2: A region with low ozone concentrations in the atmosphere

Option 3: A hole in the ozone layer caused by human activities

Option 4: A hole in the ozone layer caused by natural processes

Question : The ozone layer is found in which of the following layers of the atmosphere?

Option 1: Stratosphere

Option 2: Troposphere

Option 3: Mesosphere

Option 4: Exosphere