If your ship is caught in the West Wind Drift ocean current, and you observe the sun to be at it’s highest point in the sky at the same moment as you chronometer reads 4:00am, the time at the Prime Meridian, what is your longitude?

The zone your looking for is the intertidal zone.

Were is the question

Mitochondria produce atp, a high energy compound. atp is used for all sorts of enzyme-mediated reactions, such as making proteins/nucleotides/etc, certain compounds cross the cell membrane, muscles move, etc.  without this source of energy, a cell will die. it will not be able to repair itself, defend against pathogens, etc.

Carbon dioxide is the correct answer