A normal healthy eye can see almost an unlimited distance, normally vision is stopped by something in the line of sight like buildings, trees, the earths curve
When you look at your blood with the naked eye all you see is red liquid. This is all anyone sees with the naked eye.
The term "naked eye" means that there is nothing helping the eye to see. for example, if you are using glassess or a telescpoe, then you are not using the naked eye.
You have a 3rd eye
Something that is so small that you cannot see it with the naked eye but must use a microscope to observe it
No. You can see leeches with the naked eye. Anything you can see with the naked eye is multicellular.
Around 2500-5000 visible stars with the naked eye.
Because, it is too small to see with the naked eye.
no.
no not with the naked eye
It would depend on the type of salt. If it's normal table salt, then no, you cannot see it with the naked eye.
No you can not see it with your naked eye.
If the question means from space and with the naked eye, then the answer is no. This is a long perpetuated myth.