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Consider the oxides XO2, where X is a main-group element. Identify X in each of the following cases:
a. XO2 is a natural component of the atmosphere, implicated in global warming.
b. XO2 is a toxic, brown gas and a component of photochemical smog.
c. XO2 is a colorless, toxic gas, implicated in acid rain.
d. XO2 is network solid; one form of it is the mineral quartz.
Non-importation Agreements
A series of colonial American boycotts against British goods in the lead-up to the American Revolution, aiming to protest British policies and taxes.
Townshend Acts
A series of British acts passed in the late 1760s imposing duties on colonial imports in America, contributing to growing unrest and the American Revolution.
Formal Agreements
Officially binding contracts or treaties between parties, often involving nations or organizations.
Tea Importation
The process of bringing tea into one country from another country for sale, trade, or consumption.
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