Groundwater | 12 | |
Surface Waters / Wetlands | 9 | |
Land | 8 | |
Weather | 7 | |
Plants / Kelp | 3 | |
Atmosphere | 1 | |
Ocean / Sea | 1 |
5 | 7 |
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1 | 3 | 1 | 2 | 2 | 1 | 1 | 1 |
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SPRING | 6 | |
FALL | 2 | |
SUMMER | 2 | |
WINTER | 1 |
United States | 4 | |
Canada | 2 | |
Afghanistan | 1 | |
Iceland | 1 | |
India | 1 | |
Norway | 1 |