Answer: Dinosaurs
Many forms of plants, invertebrates, and fishes evolved during the Mesozoic Era. Since the dinosaurs were the dominant animals on land then, the Mesozoic Era is called the Age of Reptiles. Dinosaurs, however, became extinct even before the end of the Era.
Yes, because vaccines help prevent diseases whereas antibiotics help cure them. (it’s better to prevent)
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.
