C: the mechanical energy isn't conserved. Some energy was lost to friction.
I am pretty sure that <span>the following whihc cannot be determined by looking at the phase diagram is definitely </span>D. system pressure. I consider this one to be correct because only this point is not included into<span> phase diagram and can't be determined itself. Hope it will help! Regards!</span>
Its option 3 an object has potential energy
Answer:
C. Converting Energy
Explanation:
Hope this helped, Have a Wonderful Day!!
