The mineral fluorite is the mineral form of calcium fluoride.It is also called fluorspar. Its chemical formula is CaF2.
The mineral fluorite is used in the process to make steel and aluminium. It is used <span>as a </span>flux<span> in the manufacture of steel and other metals to eliminate </span>impurities<span>.</span>
It has to complete the interphase and then it starts cell division when it enters the mitosis stage.
Eukaryotic cells have organelle while prokaryotic cell do not have it.
Well you can coordinate the test material by key words and subjects
1. Look there is a crime scene.
2. look the TV there is a crime scene.
3.look at the crime scene and find somethig.
4.run and catch the thief.
