In the hypothesis testing approach of Jerzy Neyman and Egon Pearson, a null hypothesis is contrasted with an alternative hypothesis, and the two hypotheses are distinguished on the basis of data, with certain error rates. Proponents of each approach criticize the other approach.
In geography, relief refers to the highest and lowest elevation points in an area. Mountains and ridges are typically the highest elevation points, while valleys and other low-lying areas are the lowest. Relief is essential to understanding the topography of an area.
A mountain is made of, quite simply, earth. Mountains form where land has been forced upwards by pressure from the tectonic plates, and so they are made of much the same thing â¦ that regular land is made of (such as rock and minerals).Earth and rocks. 4 people found this useful. mountain is made of, quite simply, earth. Mountains form where land has been forced upwards by pressure from the tectonic plates, and so they are made of much the same thing â¦ that regular land is made of (such as rock and minerals). Earth and rocks. 4 people found this useful.