A variation is a reference to the differences or deviations, such as the structure and form, as for crossing over is the exchange of genetic material between the non-sister chromatids of the homologous chromosomes during meiosis.
Diffusion is a spontaneous process in which molecules move with their concentration gradient. For example, if you place food coloring in water, the food coloring will slowly diffuse through the water until the entire solution has been balanced.
Osmosis is specifically the movement of <em>water</em> through a semipermeable membrane - meaning a membrane that can let some substances in but keep others out - and, similar to diffusion, it moves with its concentration gradient. For example, if you place a glucose solution sealed in plastic in water, water will move into the plastic to even out the concentration of glucose in the entire solution because glucose is too large to diffuse freely.
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A person would have to consider Harriet' s upbringing in that time and imagine all the wrong doing she has seen regarding her parents care; therefore, witnessing her own care as a slave as well. It's no wonder that eventually, one would desire they're own true freedom.
The Unite States Weather Bureau advised the small crafts of Leeward and Windward to remain in the port until the hurricane passed. Hurricane watching and gale warnings were also issued. People were advised to stay in their houses and collect grocery for themselves.
