Answer:
<em>It is a method used to identify a suspect.</em>
Explanation:
<em>DNA fingerprinting is a method used to identify an individual from a sample of DNA by looking at unique patterns in their DNA.</em>
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Batteries <span>stop working due to the chemical compound between two poles running out. Also part of metal used for negative pole solved every time battery was used.</span>
<span>Group 1A metals typically form a positively- charged cation with a +1 charge. Since group 1A metals typically only have 1 valence electron, they will often donate this electron to a Group 7A element so both atoms will have full outer shells of electrons.</span>
Answer:
Smelting reduction employs two units: in the first, iron ore is heated and reduced by gases exiting from the second unit, which is a smelter-gasifier supplied with coal and oxygen. The partially reduced ore is then smelted in the second unit, and liquid iron is produced.
