Thats wrong im sorry to tell u but what do u mean
An example of something that isn't a command economy is the US (which has a mixed economy). A command economy is one that is used in China and Cuba today and was used for the Soviet Union.
It would be burning and digesting.
Melting is just causing a status change, solid to liquid.
Cutting is just changing the shape of something.
Rusting doesn't change the actual substance.
Boiling changes the state as well.
It's only burning and digesting.
D, all of the above. Employees and employers have to pay into social security.