On a Surface
On tells us that the following noun is located on a surface. Use on when one thing is attatched to or touching somthing.
Published 08/23/23
In an Enclosed Space
In tells us the noun is in an enclosed space (surround or closed off on all sides). Basically, when something is inside something.
Published 08/23/23
We use at in many common phrases, especially when we are talking about a place for a specific activity.
Published 08/19/23