finding the nest of a bald eagle tracking the footprints of a wolf analyzing the pollination of a sunflower discovering a fossil of a seashell in a wooded area
I am hesitating between 4 options to answer the following question, which option should I choose?
Question: Which would best aid a scientist in discovering how Earth may have changed over time?
Possibilities:
- finding the nest of a bald eagle
- tracking the footprints of a wolf
- analyzing the pollination of a sunflower
- discovering a fossil of a seashell in a wooded area

discovering a fossil of a seashell in a wooded area