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Work and heat energy are always viewed from the perspective of the system.
Which of the following BEST describes why this is done?
Only the system can have work done on it since the surroundings are too large and complex.
Only the system can have heat transferred into or out of it since monitoring heat transfer in the surroundings is difficult.
Since work can be done on either a system or surroundings, using the system view is only possible for a simple system.
Measuring heat transfer and temperature differences is more accurate due to the ease with which a system can be controlled.