Are there any parts of a eggshell that are harder
Selective attention
memory is a skill everyone is born with it, just some stronger than others you can always improve your memory like every other skill you have so yes, you can
You need to refine your question. Iron and stainless steel both have uses, and so one cannot be deemed "better."
why some have depressed navels while others have protruding navels.
Are there any parts of a eggshell that are harder
because they are stronger than the other parts of the body
Yes -- at least for parts of their lives. Sex drive (libido) seems to be stronger in some of us than others.
Some people have stronger immune systems or are immune to it.
The configuration of the atoms. Some bonds are stronger than others.
some parts of the u is wetter than others because its wetter
Some parts are available from Numrich Arms, and some others are available from Ohio Ordnance.
Some fragrances are stronger than others because of the flower or ingredient used to create the particular scent. Some fragrances have higher potency due to the ingredient of a very strong scented flower extract that was added, while others like vanilla are on the softer scent side.
Yes, some coffees are stronger than others, and will have more effect on you than others.
Some materials are stronger than others due to their atomic structure and bonding. Materials with strong atomic bonds, such as metals, tend to be stronger than materials with weaker bonds, such as plastics. Additionally, the arrangement of atoms and the presence of defects in the material can also affect its strength.
Stainless steel or WHICH metal? BTW, there are numerous grades of stainless steel. Some are stronger than others.
Why are the parts of some plants very different from those of others