Biological Question: Download Questions PDF
Ozone hole refers to
A. hole in ozone layer
B. decrease in the ozone layer in troposphere
C. decrease in thickness of ozone layer in stratosphere
D. increase in the thickness of ozone layer in troposphere
![Biological Interview Answer Biological Interview Question](https://globalguideline.com/public/images/interview/27.png)
Answer:
C. decrease in thickness of ozone layer in stratosphere
Download Biological Interview Questions And Answers
PDF