By the 1830s, farmers were using new fertilizers on crops and feeding artificial feeds to livestock. ... The Agricultural Revolution<span> was a period of technological improvement and increased crop productivity that occurred during the 18th and early 19th centuries in Europe</span>
Answer:
concentric- split into different circles with CBd in most inner circle one of the earliest models
sector is seen when suburbanization could be urbanization starts happening because there are the means of transportation between the different parts
multi nuclei has different sectors for different industries and is a more mapped out like each part has a diff function
B. I don't see a picture
c. there are sectors of lower income household in a certain place and CBd is around the center
la has a spine and is more complex while na is more simple with the outer levels being directly around it
6 because you would take 3/4 / 1/8 and then continue to follow the reciprocal to get 24/4 which is 6.