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.
Why I celebrate Juneteenth. By: Sen. Lena Taylor. To most people, the Fourth of July is recognized as âIndependence Day.â Not everyone was granted freedom the day America declared independence from Great Britain, however. Juneteenth Day, June 19, 1865, is also known as âEmancipationâ or âFreedomâ Day for African-Americans. On this day, all slaves in the United States were officially set free. Juneteenth is the oldest nationally celebrated commemoration of the ending of slavery in the United States. It is a time of remembrance, reflection, and celebration across the state and the nation. It is a day we honor the elimination of slavery and celebrate the proclamation of freedom.