Is the source of the oxygen released by a photosytem

yes

Explanation:

Photosystem II is the first link in the chain of photosynthesis. ... First, when the electrons are removed, the water molecule is broken into oxygen gas, which bubbles away, and hydrogen ions, which are used to power ATP synthesis. This is the source of all of the oxygen that we breathe.

Energetic Electrons

Photosystem II is the first link in the chain of photosynthesis. ... First, when the electrons are removed, the water molecule is broken into oxygen gas, which bubbles away, and hydrogen ions, which are used to power ATP synthesis. This is the source of all of the oxygen that we breathe.

Explanation:

when you breathe in, or inhale, your diaphragm contracts (tightens) and moves downward. this increases the space in your chest cavity, into which your lungs expand. the intercostal muscles between your ribs also enlarge the chest cavity. they contract to pull your rib cage both upward and outward when you inhale.

c: warm water flows from the western tropical pacific toward south america. that should be the right answer! hope it .