Harappan buildings were made of
a. Sandstone.
b. Marble.
c. Thatch.
d. Concrete.
e. Mud brick.
Question 2
Implementing the meritocracy system made the Qin army the strongest in China because
a. only soldiers and officers from the royal family held positions of authority.
b. Qin soldiers were executed if their performance in battle was deemed dishonorable.
c. no man could advance in the military if he came from a dishonorable household.
d. a soldier's family was held accountable for his actions in battle.
e. soldiers were promoted on the basis of ability, not birth.
Cambrian trilobite, with a shell made of calcium carbonate.
Cataract extraction. The procedure involves a surgical removal of a cataract lens and its replacemen
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Use dye specifically made for coolant when checking for leaks using a black light.
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What is the mole fraction of I2 in a solution made by dissolving 139 g of I2 in 245 g of ...