Compare and contrast open, closed, and isolated systems. be sure to discuss the exchange of energy and exchange of matter, and provide at least one example of each.   

Open system: It refers to the system which freely exchange mass and energy with its surroundings. For example, boiling soup in an open sauce pan. It exchange energy as well as matter with its surrounding in the form of steam. In addition, humans are also an example of open system as we exchange energy and matter both with our surrounding.

Closed system: It is the system which only allows the exchange of energy (not material) with the surrounding. For example, a cup of coffee with a lid cover on it. It can exchange heat (energy) with the surrounding but not the matter.

Isolated system: It is the system which restricts both the exchange of energy as well as material with the surrounding. For example, any insulated container (thermos flask).  

b is the correct answer