An example of a closed system is:

Question

Quizplus · Accepted Answer

A closed system is one in which no matter or energy can enter or leave the system. In this case, a lightbulb can be considered a closed system because it contains a fixed amount of gas, and no matter or energy can enter or leave the bulb. Option A is incorrect because the lake is continuously fed by a river, meaning it is an open system. Option B is incorrect because an erupting volcano releases matter and energy into the atmosphere, meaning it is not a closed system. Option D is incorrect because the human body requires energy from the environment in order to function, meaning it is not a closed system.

An Example of a Closed System Is