Sometimes a diffusion process encounters barriers that slow or stop the spread of an innovation. Which of the following is an example of such a barrier?A lack of infrastructure to support a new technology a. A lack of infrastructure to support a new technology
b. A change in the price of energy
c. A jump from contagious to hierarchical diffusion
d. A transition from stimulus to contagious diffusion
e. A new form of media to broadcast information

According ti the following map, what are the most common mineral resources found in the united states?

Which event had the greatest impact on culture of south america

Directions you probably already know that people have different ways to organize their ideas. some people make lists or outlines, some draw pictures, while others may combine these two methods. experiment with different note-taking techniques to find the one which works best for you. one common note-taking technique is webbing. webbing uses the sizes of circles to indicate the importance of items. lines are used to indicate the relationships between items. the example below is based on the information presented in a previous lesson. notice that the circle for "geography is" appears at the center of the web. it has larger than the circles that surround it. the "geography " circle is surrounded by smaller circles of earth's atmosphere, earth's climate, earth's surface. notice the lines that connect these items to the concept of geography. notice that the circles surrounding atmosphere are smaller. also observe that the lines that connect the items and indicate the relationships between the items. webbing will you capture the most important points in your lessons. beginning with lesson two, geographic tools: globes and maps, use webbing to take notes on the important information in this unit. hint: it will be easier to complete this project if you take your notes after completing each lesson.