What is Feudal system of Zhou dynasty

The feudal system in China was structurally similar to ones that followed, such as pre-imperial Macedon, Europe, and Japan. At the beginning of the Zhou Dynasty's rule, the Duke of Zhou, a regent to the king, held a lot of power, and the king rewarded the loyalty of nobles and generals with large pieces of land.

Explanation:

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answer; /// the answer to the first question is (b) it began when people first deliberately seeds; /// and (d); // it gave people a steady food supple for the first time;

a. formula: f=ma or f/m=a

10,000n/1,267kg≈7.9m/

b. formula: a= and s=d/t

speed= 394.6/15

s=26.3m/s

a=

a=1.75m/

c. 7.9-1.75=difference of 6.15m/

d. the force that most likely caused this difference is friction forces