Assertion: soil's amount | /r/HasProperty | released to the atmosphere
Facets:
value: through ecosystem respiration
type: MANNER
Source sentences:
text: Each year approximately 120 petagrams (Pg) of carbon are taken up by land plants and a similar amount is released to the atmosphere through ecosystem respiration.
text: The amount of carbon sequestered in permafrost is four times the carbon that has been released to the atmosphere due to human activities in modern time.