The Ming emperors made it their capital in 1421 and it remained China's capital till 1912 when the Manchu Empire fell and SunYat Sen turned China into a republic.
Answer:
8
Explanation:
IMA of Wheel and Axle :
IMA = Radius of wheel / Radius of axle
Radius of wheel, radius of handle, R = 1.6 cm
Radius of axle, radius of shaft, r = 0.2 cm
IMA = Radius of wheel / Radius of axle
IMA = 1.6 / 0.2
IMA = 8
Hence, the ideal mechanical advantage is 8
The prime meridian runs through the uk
Hope this helps
Magma contains the same éléments as Earth's crust