Assertion: carbon | /r/AtLocation | the earth's atmosphere
Facets:
Source sentences:
text: In combination with oxygen in carbon dioxide, carbon is found in the Earth's atmosphere (approximately 900 gigatonnes of carbon — each ppm corresponds to 2.13 Gt) and dissolved in all water bodies (approximately 36,000 gigatonnes of carbon).
text: Carbon is found in carbon dioxide in the earth's atmosphere.