The most probable and most likely answer to this problem would be C. revealed much about their behavior.
Out of the four options presented in this problem, C. would only need a complete subject to make it a correct sentence. Options A. by closely watching and gathering data and B. to terrifying effect would probably need other more words and/or phrases to make them more complete. D. insect studies, on the other hand, can also be considered as a correct option IF insect become the subject.
Answer:
Since landmarks are points of reference to locate other objects, their outside must be important—as they are perceived or imagined by a person linking two objects. Landmarks are related to movement, such as passing by (waypoints), turning (decision points), or heading (distant points of orientation )
Explanation:
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Noticeable option(c) is the correct answer........
