Practice question
Question
The height of ozone layer above the surface of Earth is
Explanation
In Atmosphere, there is a simple fact that answers this. The height of ozone layer above the is 15-20 km. That is all the question wants. Many students get it right because they have heard this line before. Now you have heard it too, so it will stay with you.
Discussion
Comments
Please log in to join the discussion.
Login to commentNo comments yet. Be the first to start the discussion.