Answer:
No idea
Explanation:
I don't know the answer. You're welcome!
A closed system is a physical system that does not allow transfer of matter in or out of the system, though, in different contexts, such as physics, chemistry or engineering, the transfer of energy is or is not allowed.
Answer:ohhhhhhh I’m confused on this
Explanation:ahhh
Covalent Bonds are formed when two non-metals share electrons
Hope this helps