What is the process where water carries materials from upper horizon down to lower levels

How has industrialization hurt the forest of europe

What is the mostly tropical region in asia

The pyramid has a square base that us inscribed in the circular base of the cone. draw an image of the composite shape of the base. 2) if the side length of the square base is 8 units long, what is the diameter of the circular base of the cone from the picture in number 1