The graph indicates what about the relationship between atmospheric carbon dioxide and time

Responses
A over time, the amount of atmospheric carbon dioxide increasesover time, the amount of atmospheric carbon dioxide increases
B over time, the amount of atmospheric carbon dioxide decreasesover time, the amount of atmospheric carbon dioxide decreases
C over time, the amount of atmospheric carbon dioxide stays the sameover time, the amount of atmospheric carbon dioxide stays the same
D over time, the amount of atmospheric carbon dioxide does not changeover time, the amount of atmospheric carbon dioxide does not change

A over time, the amount of atmospheric carbon dioxide increases.