Answer:
The student on the left was chosen as the system to be analyzed.
Explanation:
In the example titled “Colliding Students” in the textbook, the student on the left was chosen as the system to be analyzed; while the surroundings was chosen as the Earth, the ground, the air, and the second student who happened to collide with the student on the left.
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Answer:
that's the answer for your question...
Warring states were defeated, and China was unified: Qin dynasty<span>Confucianism strengthened and spread: Han dynasty
</span><span>Written laws came into effect as a writing system developed: Zhou dynasty
</span><span>Hope this helped.
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