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.
These events change the surface of the Earth by creating different landforms. A landform is a term that describes the shape of a natural land feature. Landforms are created by different forces of nature. For example, mountains, oceans, valleys and deserts can be called landforms.A group of landforms in one area makes up a landscape.The view from an aeroplane or from the top of a hill gives a good picture of a landscape.or example, mountains, oceans, valleys and deserts can be called landforms. A group of landforms in one area makes up a landscape. The view from an aeroplane or from the top of a hill gives a good picture of a landscape.