Respuesta :
Ans.
Water cycle describes a cyclic process that involves circulation of water between the earth's atmosphere, oceans, and land through precipitation, drainage in rivers and streams, and return to the earth's atmosphere by transpiration and evaporation.
During respiration, organisms exhale carbon dioxide and water in the form of vapor that goes back to the atmosphere by evaporation.
Thus, the correct answer is option A).
Answer: A. The air we breathe out contains carbon dioxide and water vapor.
Explanation: took the test