Scenes and globals.

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:bust_in_silhouette: Asked By Nick888

I have two questions:

1)Can we with a global script and a global variable in this script, to mention to a particular node of a particular scene with a path in the global variable?

2)When we drag with the mouse this (“res://World.tscn”) for example in a coordinate system and we create a copy of World scene, i want the changes i make to the copied scene don’t be made in the original World scene.Is there a way to do that?

Thank you.