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| A montage depicting the mission of Society for Science & the Public. |
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| Uploaded: December 31, 1969 at 5:59 pm |
| Author: SocietyforScience |
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| Length: 02:27 |
| Rating: 5.00 |
| Views: 10954 |
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| Tags: dcysc engineering fair isef msp news science sts |
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| An explanation of what acid rain is and how to measure it. |
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| Uploaded: December 31, 1969 at 5:59 pm |
| Author: wmict |
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| Length: 02:10 |
| Rating: 5.00 |
| Views: 1158 |
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| Tags: acid DCYSC demonstration pH rain science |
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