.........gold??..........its a guess
A closed system is a system that makes no physical or chemical exchanges with its environment. Of these systems provided as choices (tree, human, clock, car), only a clock does not make exchanges with the environment, except for energy.
Therefore, of that list, only a clock would be a closed system.
Hope that helped! =)
Answer:
A
Explanation:
Please give me Brainliest my friend
Answer:
Taxonomy. Quick google search. :)
Explanation:
Answer:
This means:
It will be agreed that a virus is a living being.
Explanation:
Hope I helped ya.
You can give da other girl brainliest.
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