Aslan!

Question

Hi! Hope your doing good, I have homework in Earth Science. If you can help me with this question, I would really appreciate your help>

Which of these situations is (are) an example of an open system?

1. a car's cooling system

2. a boiling teakettle

3. a loaf of bread in a sealed plastic bagt.

4. your digestive system

Asked by greta r #218157 on 1/12/2014 4:38 PM

Last updated by Cadence j #354846 on 1/27/2014 12:26 PM

Answered by Aslan on 1/12/2014 5:33 PM

Hey Greta, I'm fine. Here is your answer:

That would be your digestive system

Answered by jasmine k #353239 on 1/14/2014 3:43 PM

May i answer too Greta? If you don't mind. It's your digestive system. I used my own resources to answer this, don't worry.