Hey there i see you need help well i am here to do just that it is c because if you are getting paid your more likely to lie ans say"great" things.
hope this helps
Answer:
D because i did this last week and got it right.
Answer:
2
Explanation:
The change of state occurs at a constant temperture and pressure. In the grahp we can see while the time passes, the temperature doesn't change.
The rect number 4 correspond to a liquid-gas phase
