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! =)
I think it’s a&c. I could be wrong, but at least try
Answer:
c
Explanation:
C is this answer because they are both dominant and the same
The characteristic of life it represents is homeostasis.
<h3>
What is homeostasis?</h3>
Homeostasis is the body's attempt to maintain a constant internal environment.
One of the major ways the body achieves homeostasis is through excretion, the process of removing wastes and excess water from the body.
Thus, when the snakes excrete waste products produced from the breakdown of food for energy, the characteristic of life it represents is homeostasis.
Learn more about homeostasis here: brainly.com/question/1046675
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Xylem tissue is the (Vascular system)
