Examlex
Programmed instruction and computer-assisted instruction (CAI)
Solar Radiation
The electromagnetic energy emitted by the sun, which reaches the earth and is a key factor in climate and weather patterns, as well as photosynthesis.
Reflect
To throw back light, heat, sound, or any form of energy without absorbing it.
Snow
Precipitation in the form of ice crystals that forms in clouds when temperatures are below freezing and falls to the ground, accumulating as a white, fluffy layer.
Phosphorus Cycling
The biogeochemical cycle that describes the movement of phosphorus through the lithosphere, hydrosphere, and biosphere.
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Q242: The digit-span test is a common measure