Use the Following to Answer Questions

question 30

Multiple Choice

Use the following to answer questions :
-Age of Division

• A)A rammed-earth fortification built along the northern border of China during the reign of the First Emperor.
• B)The ancient texts recovered during the Han Dynasty that Confucian scholars treated as sacred scriptures.
• C)A comprehensive history of China written by Sima Qian.
• D)The trade routes across Central Asia linking China to western Eurasia.
• E)An arrangement first established during the Han Dynasty to regulate contact with foreign powers. States and tribes beyond its borders sent envoys bearing gifts and received gifts in return.
• F)Castrated males who played an important role as palace servants.
• G)The period after the fall of the Han Dynasty, when China was politically divided.
• H)A waterway, built during the Sui Dynasty, that connected the Yellow and Yangzi Rivers. It was notable for strengthening China's internal cohesion and economic development.
• I)A school of Buddhism that taught that by calling on the Buddha Amitabha, one could achieve rebirth in Amitabha's paradise.
• J)A school of Buddhism (known in Japan as Zen) that rejected the authority of the sutras and claimed the superiority of mind-to-mind transmission of Buddhist truths.
• K)The Way of the Gods, Japan's native religion.
• L)Japan's capital and first true city; it was established in 710 and modeled on the Tang capital of Chang'an.

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Definitions:

LUMO

The Lowest Unoccupied Molecular Orbital, which is the first molecular orbital available for the electron to occupy.

Cycloaddition

A type of chemical reaction where two or more unsaturated molecules combine to form a cyclic adduct, important in the synthesis of heterocyclic compounds.

Organic Letters

A peer-reviewed scientific journal publishing original research articles in organic chemistry.

Molecular Orbitals

Orbitals that belong to a molecule as a whole, where electrons are considered to be delocalized over the entire molecule.