Statistical generalizations are also called "statistical projections" and "sample projection". There are broadly two ways of modelling sea level rise and making future projections. Sears' optimistic growth projections were not realized. Coronaviruses are large, roughly spherical, particles with bulbous surface projections. "On The Spatial Projections of Social Forms". The spike proteins provide the virus with its bulbous surface projections. The polygons on the perimeter of these projections are regular skew decagons. This is evident from the global projections shown above. A wide range of projections of future emissions have been produced. Neither of these projections have proven accurate. Few projections in practical use are perspective. Its surface is covered in small like projections or tubercles. In Tanzania there is currently no clear signal in future climate projections for rainfall. It addressed the significant increase of population projections within Hanoi. The given population projections are based on medium fertility index.