It has to be energy because there’s no internal emotion dealing with footprints. Foot prints are there to guide the investigator, energy can’t lead a investigator.
When people or animals play and interact with information, they get smarter.
According to all known laws of aviation, a bee
To all parts but particularly u can say phloem sap
The most logical answer is D, because, we can infer that they belong to the same genus in taxonomy, but they are different species
