Answer:
The correct answer will be option D.
Step-by-step explanation:
A scientific process is a methodical process which is used to answer a scientific question based on the observations and experiments on the basis of which a hypothesis can be derived and answered.
In the given question "how much water does it take to make a plastic bag?" is a scientific question as it asks "how much quantity of water is used?" which can be tested by the experiments only on the basis of which hypothesis can be derived and answered.
Thus, option D is the correct answer.