Answer:
The correct answer is option D. Evidence.
Step-by-step explanation:
Science is the quest and application of understanding and getting information of natural world and some time social world that is obtained by following a systematic procedure that is based on evidence.
Science is established by scientific method which include; observation, evidence, experiment, analysis, and conclusion. All these steps are mandatory to follow scientific method in order.
Thus, the correct answer is option D. Evidence.