Animals return water to the air through

Transportation
Respiration
Evaporation
Condensation

Respiration

Explanation:

Respiration is a way animals stays alive. During intense work we say metabolic activites. You see breathing is aided by energy in the body; this comes about when oxygen taken in during breathing in breaks down glucose into Carbondioxide and Water vapour which is released in breathing out.

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.

explanation:

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