Assertion: carbon's amount | /r/HasProperty | constant
Facets:
value: relatively
type: DEGREE
value: for a very long time
type: TEMPORAL
value: until the industrial revolution
type: TEMPORAL
value: effectively
type: DEGREE
value: almost
type: DEGREE
Source sentences:
text: The amount of 14C in the atmosphere and in living organisms is almost constant, but decreases predictably in their bodies after death.
text: Therefore, the amount of carbon on Earth is effectively constant.
text: The amount of carbon in this cycle is constant, but the amount of carbon in each place changes constantly.
text: The amount of Carbon-14 in an organic body is constant with the amount of Carbon-14 in the atmosphere.
text: However, Libby then assumed that the amount of Carbon in the atmosphere was relatively constant for a very long time up until the Industrial revolution.