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This poll submitted by:
srandel on 05/17/2013 02:18:45
| Is your house the right size to meet your needs? |
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This poll submitted by:
SEED on 04/10/2013 08:00:48
| Which of the following words describes a physical combination of two or more pure substances? |
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| El parque eólico en La Guajira (Venezuela) aportará al sistema eléctrico nacional? |
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This poll submitted by:
Jose Ysea on 05/17/2013 03:45:28
| What percentage of Earth's atmosphere does nitrogen constiutute? |
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