What is electromagnetic?​

Electromagnetism is a branch of physics that involves the study of the electromagnetic force. It is a type of interaction that occurs between electrically charged particles.

relating to the interrelation of electric currents or fields and magnetic fields.

The correct answer for this question is this one: "In transpiration, because some of its properties change, water undergoes a physical change but keeps its identity. In photosynthesis, because its identity changes, water undergoes a chemical change. "
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