A clock.
A diamond can scratch a diamond, but one diamond cannot scratch itself.
The part of the body where one cannot reach to scratch is called the acnestis.
If two rocks cannot scratch each other, then they would have to be of equal hardness. A harder rock can always scratch a softer rock.
Diamond is the hardest naturally occurring mineral and can scratch all other minerals. Talc is the softest of minerals and cannot scratch any other mineral.
Talc is the mineral that cannot scratch any of the other minerals on the Mohs hardness scale. It has a hardness of 1, making it the softest mineral. This means that all other minerals, which have a higher hardness rating, can scratch talc, but talc itself cannot scratch any of them.
The Scritch Scratch of Busy Little Hands - 2007 was released on: USA: 7 September 2007 (Toofy Film Festival)
No.You cannot.
You cannot do that.
use your hands
if you scratch your brown eye with your hands are dirty as poo, you dont scratch your brown eye with your foot point proven
Dogs will scratch their faces for several reasons, its just like a human, you scratch your face sometimes too, right? Their paws are their hands and if something itches, your gonna scratch it. Dogs will scratch their faces for several reasons, its just like a human, you scratch your face sometimes too, right? Their paws are their hands and if something itches, your gonna scratch it.
Topaz is a mineral that can scratch quartz due to its hardness of 8 on the Mohs scale, while corundum, with a hardness of 9, cannot be scratched by topaz. This places topaz in between quartz and corundum in terms of hardness, allowing it to effectively scratch quartz but not corundum.