No system is completely closed off from its surroundings. Which represents a system that is almost completely closed?
A. a wood-burning fireplace
B. a washing machine
C. a capped soda bottle
D. a pot of boiling water

I thinks its C.

Question

No system is completely closed off from its surroundings. Which represents a system that is almost completely closed? 
A.   a wood-burning fireplace
B.  a washing machine
C.  a capped soda bottle
D.  a pot of boiling water

I thinks its C.

smartanne · Answer

Yup C is correct!...let me know if you need an explanation

anonymous · Answer

thanks a ton :)