Assertion: biome's amount | /r/AtLocation | and warmer times
Facets:
Source sentences:
text: Further, the permafrost contains a significant amount of dead plant material (grown in earlier and warmer times); as the permafrost warms this material begins to decay, releasing even more CO 2 into the atmosphere and accelerating global warming.
text: Further, the permafrost contains a significant amount of dead plant material (grown in earlier and warmer times); as the permafrost warms this material begins to decay, releasing even more CO 2 into the atmosphere and accelerating global warming.