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.
Answer:
2, 23 pairs
Explanation:
it is honestly the only one that makes sense
DNA stands for Deoxyribonucleic Acid. DNA holds genetic information that determines and organisms traits. DNA contains the instructions for making proteins.
Like all other reptiles, birds have scales. Also, birds lay eggs like other reptiles.
