human
Question: Which would best aid a scientist in discovering how Earth may have changed over time?

Choices:
A) finding the nest of a bald eagle
B) tracking the footprints of a wolf
C) analyzing the pollination of a sunflower
D) discovering a fossil of a seashell in a wooded area
gpt
The correct answer is 3: discovering a fossil of a seashell in a wooded area.