Energy used since long time ago is a energy production system where the energy is joined with the new resources and alll of that turns into electric energy!<span />
Nails are made of iron because, iron is strong and sturdy; although nail rust when it undergoes oxidation when expose to water but it is not explosive.
Barium and phosphorus are not suitable for nail making because of their properties.
Barium is an element which reacts with virtually all non metals, forming poisonous products which are dangerous to health and to the environment. It also reacts explosively with water.
Phosphorus is not found in its pure form in nature, it conducts electricity and it is combustible in nature.<span />
Answer:
theory
Explanation:
a theory results from a proven hypothesis
Answer:
<u>It takes two copies of the mutant gene.</u>
Explanation:
<em>One from each parent, to give somebody the all-out sickness. Numerous individuals have only one duplicate, the other being typical.</em>
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Hope this helped and have a great afternoon!
<em>~ChokieWokie~</em>
I think it is Authority hope this helps