-The General Pattern in This Figure Reveals Increasing Levels of Carbon

-The general pattern in this figure reveals increasing levels of carbon dioxide in the atmosphere over the past fifty years.Why is the red line wavy and the blue line steadily increasing?

A) The red line drops in the winter when photosynthesis decreases.
B) The red line increases in the summer when people are more likely to run their air conditioners.
C) The blue line reflects changes in temperature while the red line represents changes in carbon dioxide levels.
D) The red line reflects changes in the ocean levels that occur when carbon dioxide levels are higher.