Grains are a unit of weight. Bullets, powder charges and brass casings are all measured in grain weight. So, yes there are different grain weights in reloading. There are also different powder grains, as in the texture of the powder. Those include, stick powder, ball powder, flake powder, etc...
There is no simple answer since different varieties of rice have grains of different size.
no because they are not all the same size and and so they will travel different distances =) (santiya)
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sandstones grains are medium sized
Rocks are composed of one or more minerals, while grains are small, individual particles of a mineral. Rocks can be made up of different types of minerals and have a variety of sizes and shapes, while grains are typically uniform in composition and size. Rocks are larger and can be made up of multiple grains, whereas grains are individual, tiny fragments.
The size of the grains in a sedimentary rock can be determined by examining the texture of the rock. Coarser grains indicate a larger grain size, while finer grains indicate a smaller grain size. Other features that can provide clues to grain size include the sorting (uniformity of grain sizes) and rounding of the grains.
Depends, clip size is ammo. Primary clip is how many times you can shoot before reloading. Some weapons, like the heavy's minigun are entirely primary clip and require no reloading. Secondary clip is how much ammo you have to replace your primary clip. Size is just how much you have.
You can use different grains of sandpaper, but the size of the paper itself must conform to the dimensions of your sander.
297.632789 m-1 Depending on size of grains, This answer is based on the average size of grains.
The size, shape, and arrangement of grains in a rock is known as its texture. Grains can vary in size from fine (small) to coarse (large), and can be rounded or angular in shape. The position of grains within a rock can be random or show preferred orientation.
Reloading Manuals
There are many whole grains which are a good protein for vegetarians. The queen of whole grains will be different for different people and their circumstances.