Diffusion. A drop of food coloring in a plate of gelatin gradually spreads as molecules of the dye diffuse. How would the third plate look if diffusion continues? Figure 2â¦take a look at this . You should have a picture of dye spread in a wider circle
Zip code 32011, Callahan FL is in USDA Hardiness Zone 8b: 15F to 20F. Using updated climate data through 2010, 32011 is in the Plantmaps Hardiness Zone 8b: 15F to 20F. The average first frost in 32011 is between December 1 - 10, while the average last frost occurs between February 21 - 28. 32011 is part of Ecoregion 75f - Sea Island Flatwoods. 32011 averages 121 - 150 days per year where the temperatue exceeds 86Â°F.
Colorado Springs is in Sunset map zone 1, which is considered to be an area with the coldest winters. Their Web site is: www.sunset.com/garden/climate-zones/ . The concept of a plant hardiness map was started at the Arnold Arboretum at Harvard University. The USDA and Harvard University developed the hardiness zones during the 1920âs and 30âs, and the hardiness zone maps were first published by the US Department of Agriculture in 1960.