Answer:
not sure, but you know what?
Explanation:
you are amazing! keep doing what youre doing!
Closed system. If the system is not closed, matter or energy can escape from the system. an example of this is if you react magnesium and hydrochloric acid in a open system. The H₂ gas is going to escape making it look like some of the mass disappeared . in that same reaction some in an open system will also loose heat to the surrounding which will make it look like less heat was produced.
Answer:
yes
Explanation:
because it help the body hydrate
