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.
For Kids. What is a landform? The usual definition is that a landform is a natural feature of the solid surface of the earth. Using that definition, the four major landforms are mountains, hills, plateaus, and plains. But that's not the whole picture. Because oceans, lakes, rivers, and ponds are full of a variety of landforms, and some bodies of water are referred to as landforms themselves if they occurred naturally, because they can be found on the solid surface of the earth.