The graph shows ice core data that illustrate historical trends in the amount
of carbon dioxide in earth's atmosphere. scientists attribute global warming
to recent increases in human activities that produce carbon dioxide. which
kind of data would show that a new solution to the problem of global
warming is working?
350
atmospheric carbon dioxide
from law dome ice cores
atmospheric co, (ppm)
$ 300-
290-
280
1000
1200
1400 1600
year (ad)
1800
2000