Examlex
Which one of the following uses of a computer in instruction is most similar to an authentic activity?
Trophic Level
The position an organism occupies in a food chain, based on its source of nutrition and energy.
Energy
Capacity to do work and bring about change; occurs in a variety of forms.
Atmosphere
The layers of gas surrounding a planet, held in place by gravity, and composed of various gases that protect and sustain life on Earth by absorbing ultraviolet solar radiation, warming the surface through heat retention, and reducing temperature extremes between day and night.
Photosynthesis
The process by which green plants and some other organisms use sunlight to synthesize foods from carbon dioxide and water. Photosynthesis in plants generally involves the green pigment chlorophyll and generates oxygen as a byproduct.
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