Examlex
What is the chemical formula for gypsum?
Coal
A combustible black or brownish-black sedimentary rock used primarily as a fuel in electricity generation.
Solar Energy
Energy from the sun that is converted into thermal or electrical energy, which is renewable and environmentally friendly.
Renewable Solar Energy
Energy generated from the sun's rays, which is sustainable and inexhaustible, used to produce electricity or heating without emitting greenhouse gases.
High Heat Content
A characteristic of materials or substances with a significant ability to store thermal energy, often important in fuel and energy contexts.
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