Question

Which example is a closed system?(1 point)
Responses

the atmosphere of a planet
the atmosphere of a planet

the human body
the human body

a sealed jar of salad dressing
a sealed jar of salad dressing

a bowl of punch at a gathering

Answers

GPT-4o mini
The example of a closed system is **a sealed jar of salad dressing**. In a closed system, matter cannot enter or leave the system, which applies to a sealed jar.