Explanation:
first question: Coal is mainly found in three regions: the Appalachian coal region, the Interior coal region, and the Western coal region (includes the Powder River Basin). The two largest coal mines in the United States are the North Antelope Rochelle and Black Thunder mines in Wyoming.
second question:All of the geothermal plants in the United States are located in the western part of the country, mostly in California or Nevada. California has 91% of the country's steam-powered capacity, and 65% of binary-cycle capacity is found in Nevada.
The hydronium ion is an oxonium ion whose chemical formula is H3O + or H + (aq). It is found in the solid, gaseous or liquid state (protonation of a molecule of water).
The concentration of hydronium ion is directly linked to the pH of the tea (or any solution) by this equation.:
C° (hydronium) = 10^(-pH)
if the pH of the tea is 6 for example, than:
C° (hydronium) = 10^(-pH) = 10^(-6).
In eukaryotic cells the DNA is in the nucleus.
but in prokaryotic cells, it's in the
cytoplasm
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