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How many protons are in the nucleus of radon-222?
Imported Tires
Tires that are manufactured outside a country and are brought in through trade.
Stimulus Plan
A package of economic measures put together by a government to stimulate a floundering economy.
Immigration
The action of coming to live permanently in a foreign country.
Foreign Tourists
Visitors from other countries who travel to a different country for leisure, business, or other purposes, contributing to the host country's economy.
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