Examlex
Choose the one alternative that best completes the statement or answers the question.
Approximate the area under the curve and above the x-axis using n rectangles. Let the height of each rectangle be given
by the value of the function at the right side of the rectangle.
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Ammonia
A colorless gas with a pungent smell, NH3, used as a nitrogen source in fertilizers and as a cleaning agent.
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.
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