im so scared T^T!!! please come and answer my question about the chemsitry olympiad!?

Pre-College Topics High School Cafe
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<p>[U.S&lt;/a&gt;. National Chemistry Olympiad: Exam Rules](<a href=“American Chemical Society”>American Chemical Society)</p>

<p>im NOT a US.citizen,im a greencard holder.does it mean that i cant take this examination??? can i just take the local examination but not the national one???</p>

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<p>OH ! i have just found out the answer. just ignore this!!!</p>