In simple terms, it is the steady movement of particles from regions where there are many of them to regions where there are a few of them. It is a natural trend for things to spread out down a Concentration Gradient. See diagram below.In scientific terms, DIFFUSION is the MOVEMENT OF PARTICLES from a region of HIGH CONCENTRATION to a region of LOW CONCENTRATION. Diffusion is a passive process, it does not require any energy for it to happen.t is a natural trend for things to spread out down a Concentration Gradient. See diagram below. In scientific terms, DIFFUSION is the MOVEMENT OF PARTICLES from a region of HIGH CONCENTRATION to a region of LOW CONCENTRATION.
Define anniversary: the annual recurrence of a date marking a notable event; broadly : a date that follows such an event â¦ â anniversary in a sentence the annual recurrence of a date marking a notable event; broadly : a date that follows such an event by a specified period of time measured inâ¦
A century (from the Latin centum, meaning one hundred; abbreviated c.) is a period of 100 years. Centuries are numbered ordinally in English and many other languages. For example, the 17th century refers to the years from 1601 to 1700. A centenary is a hundredth anniversary or a celebration of this, typically the remembrance of an event which took place a hundred years earlier.