1.0
absolutely nothing
one is hard
what is the defference between cassette tape and hard disk
it is a bit obvious that it is reversible because of when it is hard you burn it and freeze it all the time and it will still be the same.
to hard
It is a difference between the hardness, generally expressed in the Mohs scale.
A hill is hard to get up and a pill is hard to get down
The hard disk is the device that stores the folders.
The difference is in the name; soft corals are soft have body ; with no bony or hard Parts
You can go to sleep with the light on...
a lot
there is no difference just grades and hard work