Answer: Option D
Step-by-step explanation:
The disposal of the animal waste in the ground water is not an act of preserving the environment because the ground water is a fresh water source that is used by the human beings for many commercial and domestic purposes.
The ground water are considered as safe and clean as it is already filtered by the stones and till it reaches the ground it is clean. So, must be any contamination added into the ground water as it is used for many processes.