Answer:
Dependent variable: Plant growth
Independent variable: Water
Explanation:
The <u>Independent variable in an experiment is defined as the variable which can be changed or controlled to measure its effect on the dependent variable</u> and change in dependent variable depends on the independent variable.
In the given example quantity of water is an independent variable and plant growth is a dependent variable because quantity of water can be controlled that influences plant growth.
Hence, the correct answer is:
Dependent variable: Plant growth
Independent variable: Water
food goes into the human digestive system through the mouth before then moving through the pharynx, then esophagus, then stomach,then intestines, rectum and anus.
Not sure what you mean by 2 and 3, but sugars such as these use a lot of carbon and hydrogen!
I looked it up and it was “c. Silicon “