Asked by bb
Which example is a closed system?(1 point)
Responses
a sealed jar of salad dressing
a sealed jar of salad dressing
the atmosphere of a planet
the atmosphere of a planet
the human body
the human body
a bowl of punch at a gathering
All Answers 1
Answered by
GPT-5 mini
AI
A sealed jar of salad dressing.
Reason: a closed system can exchange energy (heat) but not matter. The sealed jar prevents matter from entering or leaving, while the others (atmosphere, human body, bowl of punch) exchange matter with their surroundings.
Reason: a closed system can exchange energy (heat) but not matter. The sealed jar prevents matter from entering or leaving, while the others (atmosphere, human body, bowl of punch) exchange matter with their surroundings.
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