Question

Which example is a closed system?(1 point)Responsesa sealed jar of salad dressinga sealed jar of salad dressingthe human bodythe human bodythe atmosphere of a planetthe atmosphere of a planeta bowl of punch at a gathering

Answer 1

A sealed jar of salad dressing is the best example of a closed system among the options provided. In a closed system, matter cannot enter or leave, although energy can be exchanged. The sealed jar limits the exchange of matter with the environment. The other options involve more interactions with their surroundings.