Public Domain Image. Diffusion is the tendency of molecules to spread into an available space. Without other outside forces at work, substances will diffuse from a more concentrated environment to a less concentrated environment.Passive transport is the diffusion of substances across a membrane.This is a spontaneous process and cellular energy is not expended. Molecules will move from where the substance is more concentrated to where it is less concentrated.ithout other outside forces at work, substances will diffuse from a more concentrated environment to a less concentrated environment. Passive transport is the diffusion of substances across a membrane. This is a spontaneous process and cellular energy is not expended.
Tweet. Today, people around the country will celebrate Juneteenth, the anniversary of the day (June 19, 1865) slaves in Texas learned that slavery had been outlawed. The news came two and a half years after President Abraham Lincoln had issued the Emancipation Proclamation.
Founders Day is celebrated each year on February 17 to honor the founding leaders of the New York State PTA. In addition to the many awards and recognitions with which you are already familiar, our state PTA established a Founders Day fund that helps support leadership development and training. A donation to this fund is an appropriate way to recognize an individual's contribution to the PTA.