A scientist adds different amounts of sugar to 5 bottles of water. He then tests which bottle mice drink out of the most often. What is the dependent variable in this experiment?
AThe amount of sugar added to each bottle
BThe amount of water in each bottle
CThe brand of sugar used
DHow often the mice drink out of each bottle
AThe amount of sugar added to each bottle
BThe amount of water in each bottle
CThe brand of sugar used
DHow often the mice drink out of each bottle