Which of the following best describes the net primary productivity of an ecosystem? Net primary productivity is the amount of energy captured by producers through photosynthesis over time.
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Net primary productivity is the amount of energy lost by producers through respiration over time.
Net primary productivity is the amount of energy lost through respiration by producers subtracted from the gross primary productivity of an ecosystem.
Net primary productivity is the amount of energy lost through respiration by producers added to the gross primary productivity of an ecosystem.

the transfer of energy between two molecules spaced just nanometers apart plays a key role in many technologies, including photovoltaics, quantum information systems, lighting, and sensors, as well as in biophysics to measure nanometer distances and in photosynthesis. but an open question in this area is what effect, if any, the surrounding photonic environment has on this nanoscale energy transfer. by designing and performing a carefully controlled experiment to answer this question, scientists have settled the debate and found clues to improving the efficiency of many of the technologies that rely on this process.

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you go to account and hit delete!

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the framers of the constitution insisted that federal judges be nominated instead of elected due to their desire to have judges above the shifting whims of the masses.

the hope, whether achieved or not, was that federal judges would only be beholden to the law and that by not having judges be elected, they would be protected if that law dictated an outcome that ran counter to popular opinion.