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Consider the graph below which shows data obtained when carbon dioxide levels we

ID: 2127724 • Letter: C

Question

Consider the graph below which shows data obtained when carbon dioxide levels were measured each January at the Mauna Loa observatory in Hawaii.

What is a possible hypothesis for the investigation portrayed in this scenario?


a. All investigations measuring the amount of atmospheric carbon dioxide would yield similar results.
b. The amount of atmospheric carbon dioxide is related to the location it was measured.
c. If the levels of atmospheric carbon dioxide were measured in another observatory at the same latitude the same results would be found.
d. The amount of atmospheric carbon dioxide is increasing each year.
e. The amount of atmospheric carbon dioxide is related to the year it was measured.

Consider the graph below which shows data obtained when carbon dioxide levels were measured each January at the Mauna Loa observatory in Hawaii. What is a possible hypothesis for the investigation portrayed in this scenario? All investigations measuring the amount of atmospheric carbon dioxide would yield similar results. The amount of atmospheric carbon dioxide is related to the location it was measured. If the levels of atmospheric carbon dioxide were measured in another observatory at the same latitude the same results would be found. The amount of atmospheric carbon dioxide is increasing each year. The amount of atmospheric carbon dioxide is related to the year it was measured.

Explanation / Answer


d. The amount of atmospheric carbon dioxide is increasing each year.