¿Cuál es la diferencia entre in on at y can you put some examples? ?Puedes dar oraciones como ejemplo.

In is to be located within or inside something. someone who is driving a car is inside the car. your heart is inside your chest.

on is to be ontop of something not just above something but also touching the top. you lay on your bed when you sleep. you walk on the floor.

at is to be located by something, to be in a certain place, at is usually followed by a location. I am at the table. I am at the store. I was at the store but not anymore. I'm at home right now

many of these words are interchangable in some situations and the only way to know which one to use is by memorizing when they are used. for example you would not say "I'm at my room" it makes sense but we would never say that but rather "I'm in my room"