B. Because a physical reaction is a change that can be seen. This particular situation is happening over a period of time, it isn’t something that happens instantly. Also I it would have been a chemical reaction, it would have mentioned something about the state of an element or the temperature or something along those lines.
Urm,Is that a question or what,I'm confused.
Answer: Arteries
Explanation: Arteries carry oxygenated blood away from the heart. Except the pulmonary arteries which carry blood to lungs for oxygenation.
The answer is: energia quimica.
Ok so if I'm right 373.15 times .32 the answer would be around 119 I think