If the Stopper Is Removed from a Tube Before Centrifugation

Multiple Choice

If the stopper is removed from a tube before centrifugation, what effect will this have on the carbon dioxide and pH levels in the sample?

A) A decrease in CO₂ and an increase in pH
B) A decrease in CO₂ and a decrease in pH
C) An increase in CO₂ and an increase in pH
D) An increase in CO₂ and a decrease in pH