Examlex
On standardized tests of math and science, the very best American students tend to score at the level of an average student from Asian countries like Korea.
Ethanol
A renewable, flammable liquid alcohol used as a biofuel additive for gasoline and as a solvent in the chemical industry.
R-value
A measure of thermal resistance, indicating the ability of an insulating material to resist heat flow; higher values indicate better insulation.
Heat Loss
The transfer of thermal energy from one object to another, leading to a decrease in the thermal energy of the initial object.
Renewable Energy
Energy produced from sources that do not deplete or can be replenished within a human's lifetime, such as wind or solar power.
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