its a little too confusing for me
C because it really doesn’t matter if you wash your hands before because it is recommended to wash them after to prevent any infections or diseases
Your answer would be C because A affects the natural environment and can cause harm to it, B would affect the surrounding animal population and cause imbalances in biodiversity if they are not able to eat the foods they are used to, and D is not much of a benefit since you are losing the flavor that is naturally in the plants.