Sentences with phrase «release useable energy»
Some chemical reactions in our bodies break down nutrient molecules (i.e. molecules from the food we eat) to release useable energy.
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Thus 2 °C scenarios result in more CO2 per unit useable energy, release of substantial CH4 via the mining process and gas transportation, and release of CO2 and other gases via destruction of forest «overburden» to extract subterranean fossil fuels.