In Core-PHP I would assume both are difficult. But between the two Amazon clone would be a bit harder. Ideal thing would be to use Magento to create an Amazon type site.
Diamond is harder than steel: you can scratch steel with a diamond, but steel will not scratch a diamond.
A harder mineral will scratch a softer one.
The Mohs scale definition of hardness is that a harder material has the ability to scratch a softer material. So (according to the Mohs definition) one material can scratch another one because it is harder.
false a mineral can not scratch any mineral harder than itself
Most of the time, no. But there are some minerals, such as kyanite, that have more than one hardness in an individual crystal. But this is an exception to the Mohs scale of mineral hardness, which is based on the premise that a mineral of a lower number cannot scratch a mineral of a higher (harder) number.
Diamonds are harder than chalk.
Between 2 and 3 because its hard enough gypsum but it can not scratch calcite because calcite is harder
false. if a mineral is harder than another mineral, it would be able to scratch the softer one
No, it is just the opposite.
I reccomend learning how to use "Scratch", that is a simple program you can use to make some games. After learning scratch, you could learn how to use "Yoyo Gamemaker", which is harder to learn, but if you are good with it, you could make a big profit. Google should be able to teach you how to use them :)
Yes, glass can scratch glass. The hardness of the material determines if it will cause a scratch, with harder materials like diamonds being able to scratch glass. It is best to avoid rubbing glass objects against each other to prevent scratches.
Should be harder to scratch than gold