Because nothing is going in or out until u open it
No.
Explain why an organism is considered an open system.
The base word for unopened is "open."
an organism
Do you believe that Apple Inc.Functions as an open system?
open
The pedosphere is considered an open system because new organic matter and old rocks are and will be decaying for years to come.
It's an open system because you take in food and water.
no
It's considered "like new" specify that It's only the factory seal! It's also a good idea to put it in the new category.
This might depend on a) what is in the cans b) how accurate the scales are If a can with liquid in it is left open overnight some moisture may be lost by evaporation - making it slightly lighter than the unopened can. If a can is open, some particles of dust might drift into it - more than would settle on an unopened can - and make it slightly heavier than the unopened can. However, If the can has nuts in it I'll be tempted to take one or two, or a handful - making it considerably lighter than the unopened one.
Which system is a closed one ?