Not exactly sure what is being asked but they might be communicating defiance or even a relaxed demeanor.
part b because it is talking about it
Answer: a
Eon, Era, Period
Explanation:
There may be 2 or more Eras in an Eon, and at least two Periods in an Era.
For example, The Phanerozoic Eon consists of the Cenozoic, Mesozoic, and Paleozoic Eras.
The Mesozoic Era consists of the Cretaceous, Jurassic, and Triassic Periods.
B. Today's dig lasted longer than the one yesterday. Good luck :)
