Physical or Chemical Change | 4 | |
Permafrost Change | 2 | |
Death / Die-off / Decline | 1 | |
Extreme Temperature | 1 | |
Sinkhole / Crater | 1 |
2 | 1 | 1 |
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1 | 1 | 1 | 1 |
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SPRING | 2 | |
WINTER | 1 |