Yes, there are.
The separation was achieved with a sharp knife. Their separation had been an amiable one.
Separation by decantation and filtration.
Pollen is scattered by the wind or by animals.
color, texture, grains, mineral composition, and origin.
animal dispersal and wind dispersal
Distillation and reverse osmosis.
they produce a tiny tube that the pollen grains travel to the egg cell.
The world will have to continually find new ways to produce more food and grains because the population continues to grow, so there are more people to feed.
The separation of grain or seeds from the husks and straw. In olden times this was done by beating the grains with sticks or some other object, now it is all done by machinery.
An example of gravity separation is panning for gold, where a handheld pan is used to separate gold particles from soil or sediment based on their weight. Another example is the use of gravity tables in agriculture to separate grains based on their density, allowing for the removal of unwanted debris.
It can be done by several ways, like extraction decoction , preparative chromatographic separation, etc