Estimate and compare construction costs for different years in the same city. To estimate the national average construction cost of a building in 1970, knowing that it cost $900,000 in 2016: INDEX in 1970 = 28.7. INDEX in 2016 = 207.2. Note: The city cost indexes for Canada can be used to convert.
The four types of landforms are: Mountains, Plains, Plateaus and  Valleys. These types of landforms can be found in any part of the  world. Landforms also have different ide â¦ ntifying characteristics. Answered.
Landforms are defined as the natural physical features found on the surface of the earth. Landforms are created as a result of the various forces of nature such as wind, water and ice and also by the movement of the earthâs tectonic plates. For example, due to these actions, the soil gets eroded and deposited somewhere far from the site of erosion, thus leads to the formation of different landforms.