Because they do not understand and are not educated. It may be a job of either group to try to educate others. It may take awhile as the media probably is not helping. If people make the mistake often enough without being challenged, it can become the "truth".
This happens in other cases as well. For example, trying to explain that viruses are not alive is like trying to explain this to a wall.
spreading rumours
it is spreading because of the effect on it
'Spreading' is a verb because it is an action.
Spreading is generally thought of when speaking of sea-floor spreading. Sea-floor spreading takes place at the mid-ocean ridge where two oceanic plates are spreading/pulling apart from one another.
sea floor-spreading..;)
Neither is spreading faster. They are both spreading at the same rate.
spreading boundary
diffraction
we can stop spreading by giving tt to a child
The spreading of a desert is called desertification.
They proved that the seafloor was spreading.
Spreading boundaries are places where two plates move apart.