Ghosts may or may not exsist. If you believe they do there are bad and good spirits and as long as you do not let the bad spirits come to mind they cannot harm you.
There is no such thing as ghosts. But if there is they like to scare humans they dont get scared of us
yes
yes they can. because everyone can see ghosts humans and animals.
Most times, no but they can be a disturbing site. They could be dangerous. So your answer is no ;D
Not normally, but Humans are dangerous to them.
no I am pretty sure that they are not dangerous to humans
Humans have been seeing ghosts for as long as there have been humans on earth. The bible speaks of ghosts and even before that stories passed down for centuries gives us an idea how common it is.
no I am pretty sure that they are not dangerous to humans
yes there are ghost or rather beings visible only to certain humans.
Ghost cannot interfere with this world physically therefore neither with you! The only thing they can do is just hang around scare you a bit. Even so ghosts are mindless etheric bodies of someone dead that just stuck in our dimension.
oil tankers are dangerous to humans by the pollution of the environment
no... the cant be ghosts of humans because they are already ghost-dark type (but no one knows if they were once normal type and changed into ghost type