1 Knowing how to look for information on a particular topic or general area isn't a skill needed for every job, but it is always one worth having.  Research skills Psychology students are explicitly trained in research methods, and this training spans a range of different techniques.
The primary use of iron ore is in the production of iron. Most of the iron produced is then used to make steel. Steel is used to make automobiles, locomotives, ships, beams used in buildings, furniture, paper clips, tools, reinforcing rods for concrete, bicycles, and thousands of other items.early all of Earth's major iron ore deposits are in rocks that formed over 1.8 billion years ago. At that time Earth's oceans contained abundant dissolved iron and almost no dissolved oxygen. The iron ore deposits began forming when the first organisms capable of photosynthesis began releasing oxygen into the waters.
Iron bacteria in water can rapidly foul softener beds, and worse, can grow and pass through the beds in slugs. When such materials are found in the water, softeners should not be applied. Technically, industrial water softeners can remove dissolved ferrous iron by ion exchange, just as they remove calcium and magnesium.Further, precipitated iron can be removed by filtration. Problems arise, however, in getting the iron out of the softener bed during regeneration.deally, ferrous iron removed by ion exchange should be discharged with the hardness during the usual brine regeneration. In practice, however, it is usual for at least some of this iron to be converted to the ferric, insoluble state by oxygen in the regeneration water or brine.