Used for studying and research things about it. They can test the pinecone.
The Kingdom. According to legend, the Shang Dynasty<span> was founded sometime around 1600 BCE by a virtuous man named Cheng Tang, who overthrew the evil king of the legendary Xia</span>
I think the answer is B because it says it in the passage on PLATO
Answer:
A coordinate system is a two-dimensional number line, for example, two perpendicular number lines or axes. The coordinates of the origin are (0, 0). An ordered pair contains the coordinates of one point in the coordinate system. A point is named by its ordered pair of the form of (x, y).
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