If a shortage of coal were to cause an increase in coal prices, how would it most likely affect renewable energy sources like solar energy?

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Will mark brainliest how many electrons can be held in the energy level n = 4?

In order for a high temperature boiler or steam engine to produce superheated water, or steam: the heat source must be greater than 100°c the water must be permitted to evaporate quickly the system must be sealed and become pressurized above atmospheric pressure the vapor pressure must be kept below 760 mm(hg)