The evidence can be Religious evidence(which is only relevant for believers of course, and can't realy be considered convincing to an atheist or a sceptic). It could of course be considered historical evidence too, assuming you believe our dating of the bible and other religious texts to be correct and belive that at least some religious teachings are true.
Then there is personal experience, ghost stories and the like, which so far have not be scientifically proven.Then again just because we can't see it it does not mean it is non existent.The oxygen in the air sustains us but we cannot see it with the naked eye. Yet it has been scientifically proven .Perhaps it is just a matter of time before science makes a breakthrough.
Very confusing topic, this is school work
. A-level Religious studies.
Please excuse my punctuation, not an A-level english student.