Answer:
Cation-exchange capacity is a measure of how many cations can be retained on soil particle surfaces. Negative charges on the surfaces of soil particles bind positively-charged atoms or molecules, but allow these to exchange with other positively charged particles in the surrounding soil water
Answer:
In the gragh y-intercept is the point.
Answer:
The moon isn't visible on the left side. There is a shadow on the left side on the sphere. The light or sun is casting down reflecting light of the right side of each surface.
Explanation:
Extraction of aluminium metal takes place in three main stages¿mining of bauxite ore, refining the ore to recover alumina and smelting alumina to produce aluminium. Bauxite is mined by surface methods (open-cut mining) in which the topsoil and overburden are removed by bulldozers and scrapers.