Answer:
The height to which to tomato plants grow
Explanation:
In an experiment, the dependent variable is the variable that the experimenter measures. It is the variable that responds to changes made to the independent/manipulable variable.
According to this question, students investigate how soil pH affects the height of tomato plants. The different pH each plant receives is the independent variable while the HEIGHT OF THE PLANTS that responds to the soil pH or that is measured by the students is the DEPENDENT VARIABLE.
Answer:
Starch
Explanation:
Digestion begins in the mouth. The teeth break down food from chewing through mechanical digestion.
Chemical digestion also begins in the mouth. Saliva moistens food, but it contains an important enzyme called amylase. This enzyme breaks down starch into simple sugars.
So, the first compounds that are digested are starch.