A when volcanoes irrupt I think
If we are talking cellular respiration, most energy would be found being used in either the Krebs Cycle or for ATP.
The glucose harvested and created by plants is used in cellular respiration to create carbon dioxide, though the energy that the glucose offers is then utilized to perform the Krebs Cycle and helps ATP function at it’s top rate.
This is a lyric from Panic at the Disco's song Don't Threaten Me With a Good Time. The word missing can be found on YouTube or on a lyrics video.
They usually use ear tags