No system is completely closed off from its surroundings Which example represents a system that is almost completely closed

A- a wood burning-fireplace

B- A capped thermos

C- An uncapped soda bottle

D- a pot of boiling water

No system is closed off by it surroundings.

true, i don't really know what you're asking but from the info you provided im guessing the answer is true.

for 8 am not sure maybe yes?

for 9 if it is asking if the male is more or less it would be less

hope i even just a little : )