Answer:
a
Explanation:
Shihuangdi was emperor of the Qin dynasty (221–210 BCE) and the creator of the first unified Chinese empire. He is also known for his interest in immortality, his huge funerary compound that contains some 8,000 life-sized terra-cotta soldiers, and for his contribution to the Great Wall of China.
Scientists can use the color of minerals to tell them apart.
Idiochromatic minerals <em>(self-colored) </em>due to their composition. The color is constant and predictable.
Allochromatic minerals <em>(other colored) </em>due to trace impurities or defects in their structure. The color is variable and unpredictable.
Pseudochromatic minerals <em>(false colored)</em> due to effects produced by light. The color is variable but a unique property of the mineral.
Cabinet members in the United States must go though senate confirmation and be approved by the senate before they can be appointed to their position.
The appointee must have a background that is compatible with the department he/she will head. The appointee must have skills and experience.
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