The von Thunen model has weaknesses because it does not allow for things like roads or railroads that make it easier to transport goods over long distances. He also does not anticipate things like refrigerated transport that would allow even perishable things to be transported over long distances. Hope this helps or answers your question
Answer:
Good ozone is found in the stratosphere, far above the Earth's surface. At that height, it absorbs and scatters ultraviolet (UV) radiation from the Sun, particularly the most dangerous UV-B and UV-C forms. Ozone is the planet's natural sunscreen.
Explanation:
Answer: What is the author trying to tell you? What do you think this paragraph is about?
The author wants to tell you that Chinook Salmon are a big part of the aquatic food web.