The heavy atom count of a casein molecule is 143 I believe
Answer: Depending on the state of change it can be a physical change. Example: Evaporation is the physical change of a liquid turned into a gas.
That said, I'm pretty sure the answer is (True)
Note: Hope this is correct and it helps. Good luck :)
I believe the awnser is a. universal solvent.
The one that is observed or measured in the experiment, and it is known as the dependent variable.
