Plants / Kelp | 3 | |
Air | 1 | |
Insects | 1 | |
Land | 1 | |
Ocean / Sea | 1 | |
Weather | 1 |
Economic Impact | 2 | |
Sports / Recreation | 2 | |
Agriculture | 1 | |
Human Health | 1 | |
Buildings | 1 | |
Safety | 1 | |
Transportation | 1 |
1 | 1 | 1 |
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1 | 1 | 1 |
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Canada | 1 | |
Mexico | 1 |